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20704024354400 = 255225880030443
BaseRepresentation
bin1001011010100100010000…
…00001000101111001100000
32201022021201001111021210122
410231102020001011321200
510203203320213320100
6112011144131215412
74234550011215032
oct455221001057140
981267631437718
1020704024354400
116662588aa4762
1223a46b3a47568
13b724c541b76a
14518119c15c52
1525d85c3c4985
hex12d488045e60

20704024354400 has 36 divisors (see below), whose sum is σ = 50543699457132. Its totient is φ = 8281609741440.

The previous prime is 20704024354373. The next prime is 20704024354417. The reversal of 20704024354400 is 445342040702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12940014422 + ... + 12940016021.

It is an arithmetic number, because the mean of its divisors is an integer number (1403991651587).

Almost surely, 220704024354400 is an apocalyptic number.

20704024354400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20704024354400 is an abundant number, since it is smaller than the sum of its proper divisors (29839675102732).

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

20704024354400 is a wasteful number, since it uses less digits than its factorization.

20704024354400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25880030463 (or 25880030450 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 35.

The spelling of 20704024354400 in words is "twenty trillion, seven hundred four billion, twenty-four million, three hundred fifty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 25880030443 51760060886 103520121772 129400152215 207040243544 258800304430 414080487088 517600608860 647000761075 828160974176 1035201217720 1294001522150 2070402435440 2588003044300 4140804870880 5176006088600 10352012177200 20704024354400