20954828160 has 192 divisors, whose sum is σ = 82696891680. Its totient is φ = 4789665792.

The previous prime is 20954828113. The next prime is 20954828173. The reversal of 20954828160 is 6182845902.

20954828160 is a `hidden beast` number, since 2 + 0 + 9 + 5 + 482 + 8 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219537 + ... + 300176.

Almost surely, 2^20954828160 is an apocalyptic number.

20954828160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20954828160 is an abundant number, since it is smaller than the sum of its proper divisors (61742063520).

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

20954828160 is a wasteful number, since it uses less digits than its factorization.

20954828160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519745 (or 519730 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 20954828160 in words is "twenty billion, nine hundred fifty-four million, eight hundred twenty-eight thousand, one hundred sixty".