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20420023300050 = 23521112375771697
BaseRepresentation
bin1001010010010011010000…
…01111000010111111010010
32200022010122112101220120010
410221021220033002333102
510134030201431100200
6111232455035055350
74205204133121653
oct451115017027722
980263575356503
1020420023300050
1165630a08930a0
1223596545a1556
13b517a50971ca
1450849784d52a
1525628959e150
hex1292683c2fd2

20420023300050 has 48 divisors (see below), whose sum is σ = 55245444859872. Its totient is φ = 4950308678400.

The previous prime is 20420023300049. The next prime is 20420023300073. The reversal of 20420023300050 is 5000332002402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6187884199 + ... + 6187887498.

It is an arithmetic number, because the mean of its divisors is an integer number (1150946767914).

Almost surely, 220420023300050 is an apocalyptic number.

20420023300050 is an abundant number, since it is smaller than the sum of its proper divisors (34825421559822).

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

20420023300050 is a wasteful number, since it uses less digits than its factorization.

20420023300050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12375771723 (or 12375771718 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 20420023300050 its reverse (5000332002402), we get a palindrome (25420355302452).

The spelling of 20420023300050 in words is "twenty trillion, four hundred twenty billion, twenty-three million, three hundred thousand, fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 275 330 550 825 1650 12375771697 24751543394 37127315091 61878858485 74254630182 123757716970 136133488667 185636575455 272266977334 309394292425 371273150910 408400466001 618788584850 680667443335 816800932002 928182877275 1361334886670 1856365754550 2042002330005 3403337216675 4084004660010 6806674433350 10210011650025 20420023300050