20655356632 has 32 divisors (see below), whose sum is σ = 40703443200. Its totient is φ = 9807567264.

The previous prime is 20655356621. The next prime is 20655356653. The reversal of 20655356632 is 23665355602.

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, 378228 + ... + 429379.

It is an arithmetic number, because the mean of its divisors is an integer number (1271982600).

Almost surely, 2^20655356632 is an apocalyptic number.

It is an amenable number.

20655356632 is a deficient number, since it is larger than the sum of its proper divisors (20048086568).

20655356632 is a wasteful number, since it uses less digits than its factorization.

20655356632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807775 (or 807771 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 20655356632 in words is "twenty billion, six hundred fifty-five million, three hundred fifty-six thousand, six hundred thirty-two".