20625560885 has 8 divisors (see below), whose sum is σ = 24751750560. Its totient is φ = 16499730384.

The previous prime is 20625560869. The next prime is 20625560899. The reversal of 20625560885 is 58806552602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20625560885 - 2⁴ = 20625560869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58946 + ... + 211484.

It is an arithmetic number, because the mean of its divisors is an integer number (3093968820).

Almost surely, 2^20625560885 is an apocalyptic number.

It is an amenable number.

20625560885 is a deficient number, since it is larger than the sum of its proper divisors (4126189675).

20625560885 is a wasteful number, since it uses less digits than its factorization.

20625560885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179587.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 20625560885 in words is "twenty billion, six hundred twenty-five million, five hundred sixty thousand, eight hundred eighty-five".