20116722625 has 64 divisors (see below), whose sum is σ = 28579599360. Its totient is φ = 14042880000.

The previous prime is 20116722547. The next prime is 20116722653. The reversal of 20116722625 is 52622761102.

It is not a de Polignac number, because 20116722625 - 2⁷ = 20116722497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1892325 + ... + 1902925.

It is an arithmetic number, because the mean of its divisors is an integer number (446556240).

Almost surely, 2^20116722625 is an apocalyptic number.

20116722625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20116722625 is a deficient number, since it is larger than the sum of its proper divisors (8462876735).

20116722625 is a wasteful number, since it uses less digits than its factorization.

20116722625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10699 (or 10689 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 20116722625 in words is "twenty billion, one hundred sixteen million, seven hundred twenty-two thousand, six hundred twenty-five".