20363416656 has 40 divisors (see below), whose sum is σ = 57387812064. Its totient is φ = 6170732160.

The previous prime is 20363416639. The next prime is 20363416657. The reversal of 20363416656 is 65661436302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363416657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19283011 + ... + 19284066.

Almost surely, 2^20363416656 is an apocalyptic number.

It is an amenable number.

20363416656 is an abundant number, since it is smaller than the sum of its proper divisors (37024395408).

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

20363416656 is a wasteful number, since it uses less digits than its factorization.

20363416656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38567099 (or 38567093 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 20363416656 in words is "twenty billion, three hundred sixty-three million, four hundred sixteen thousand, six hundred fifty-six".