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20204344192 = 27672355917
BaseRepresentation
bin10010110100010001…
…011101001110000000
31221011002001000210011
4102310101131032000
5312334303003232
613140505114304
71313453043364
oct226421351600
957132030704
1020204344192
11862890991a
123aba488994
131b9cb23366
14d994b92a4
157d3b82547
hex4b445d380

20204344192 has 32 divisors (see below), whose sum is σ = 40851618120. Its totient is φ = 9951389184.

The previous prime is 20204344187. The next prime is 20204344201. The reversal of 20204344192 is 29144340202.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169383 + ... + 1186534.

Almost surely, 220204344192 is an apocalyptic number.

It is an amenable number.

20204344192 is an abundant number, since it is smaller than the sum of its proper divisors (20647273928).

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

20204344192 is an equidigital number, since it uses as much as digits as its factorization.

20204344192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355998 (or 2355986 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 20204344192 its reverse (29144340202), we get a palindrome (49348684394).

The spelling of 20204344192 in words is "twenty billion, two hundred four million, three hundred forty-four thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 67 128 134 268 536 1072 2144 4288 8576 2355917 4711834 9423668 18847336 37694672 75389344 150778688 157846439 301557376 315692878 631385756 1262771512 2525543024 5051086048 10102172096 20204344192