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20476892433620 = 2257417614687783
BaseRepresentation
bin1001010011111101001011…
…11001100100110011010100
32200111120102211201012222102
410221332211321210303110
510140443133430333440
6111314542102021232
74212256324564130
oct451764571446324
980446384635872
1020476892433620
116585223a46937
122368685a17818
13b56c68cacbbc
1450b1305923c0
152579b700cb15
hex129fa5e64cd4

20476892433620 has 96 divisors (see below), whose sum is σ = 50409353949696. Its totient is φ = 6840411494400.

The previous prime is 20476892433617. The next prime is 20476892433631. The reversal of 20476892433620 is 2633429867402.

It is a super-2 number, since 2×204768924336202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2024249 + ... + 6712031.

It is an arithmetic number, because the mean of its divisors is an integer number (525097436976).

Almost surely, 220476892433620 is an apocalyptic number.

20476892433620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20476892433620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25204676974848).

20476892433620 is an abundant number, since it is smaller than the sum of its proper divisors (29932461516076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20476892433620 is a wasteful number, since it uses less digits than its factorization.

20476892433620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688601 (or 4688599 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 56.

The spelling of 20476892433620 in words is "twenty trillion, four hundred seventy-six billion, eight hundred ninety-two million, four hundred thirty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 761 820 1148 1435 1522 2870 3044 3805 5327 5740 7610 10654 15220 21308 26635 31201 53270 62402 106540 124804 156005 218407 312010 436814 624020 873628 1092035 2184070 4368140 4687783 9375566 18751132 23438915 32814481 46877830 65628962 93755660 131257924 164072405 192199103 328144810 384398206 656289620 768796412 960995515 1345393721 1921991030 2690787442 3567402863 3843982060 5381574884 6726968605 7134805726 13453937210 14269611452 17837014315 24971820041 26907874420 35674028630 49943640082 71348057260 99887280164 124859100205 146263517383 249718200410 292527034766 499436400820 585054069532 731317586915 1023844621681 1462635173830 2047689243362 2925270347660 4095378486724 5119223108405 10238446216810 20476892433620