20362556660 has 24 divisors (see below), whose sum is σ = 42846402816. Its totient is φ = 8128825760.

The previous prime is 20362556639. The next prime is 20362556681. The reversal of 20362556660 is 6665526302.

It is an interprime number because it is at equal distance from previous prime (20362556639) and next prime (20362556681).

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, 1001996 + ... + 1022115.

It is an arithmetic number, because the mean of its divisors is an integer number (1785266784).

Almost surely, 2^20362556660 is an apocalyptic number.

20362556660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20362556660 is an abundant number, since it is smaller than the sum of its proper divisors (22483846156).

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

20362556660 is a wasteful number, since it uses less digits than its factorization.

20362556660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024623 (or 2024621 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 20362556660 in words is "twenty billion, three hundred sixty-two million, five hundred fifty-six thousand, six hundred sixty".