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220020013022320 = 24571387928308443
BaseRepresentation
bin110010000001101101100110…
…101110000011110001110000
31001212000201010000010102202001
4302001231212232003301300
5212314301441313203240
62055535444300103344
764225631013251320
oct6201554656036160
91055021100112661
10220020013022320
1164117a66494255
1220815429234b54
13959ca4b859954
143c4904db97280
151a6835adb489a
hexc81b66b83c70

220020013022320 has 80 divisors (see below), whose sum is σ = 584666749647360. Its totient is φ = 75429995150592.

The previous prime is 220020013022309. The next prime is 220020013022333. The reversal of 220020013022320 is 23220310020022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2200200130223202 (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 6381982 + ... + 21926461.

It is an arithmetic number, because the mean of its divisors is an integer number (7308334370592).

Almost surely, 2220020013022320 is an apocalyptic number.

220020013022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020013022320 is an abundant number, since it is smaller than the sum of its proper divisors (364646736625040).

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

220020013022320 is a wasteful number, since it uses less digits than its factorization.

220020013022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28322342 (or 28322336 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220020013022320 its reverse (23220310020022), we get a palindrome (243240323042342).

The spelling of 220020013022320 in words is "two hundred twenty trillion, twenty billion, thirteen million, twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 13879 27758 55516 69395 97153 111032 138790 194306 222064 277580 388612 485765 555160 777224 971530 1110320 1554448 1943060 3886120 7772240 28308443 56616886 113233772 141542215 198159101 226467544 283084430 396318202 452935088 566168860 792636404 990795505 1132337720 1585272808 1981591010 2264675440 3170545616 3963182020 7926364040 15852728080 392892880397 785785760794 1571571521588 1964464401985 2750250162779 3143143043176 3928928803970 5500500325558 6286286086352 7857857607940 11001000651116 13751250813895 15715715215880 22002001302232 27502501627790 31431430431760 44004002604464 55005003255580 110010006511160 220020013022320