20655662130 has 48 divisors (see below), whose sum is σ = 53778763584. Its totient is φ = 5500582560.

The previous prime is 20655662129. The next prime is 20655662161. The reversal of 20655662130 is 3126655602.

It is a happy number.

20655662130 is a `hidden beast` number, since 2 + 0 + 65 + 566 + 2 + 1 + 30 = 666.

It is a super-2 number, since 2×20655662130² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92416 + ... + 223275.

It is an arithmetic number, because the mean of its divisors is an integer number (1120390908).

Almost surely, 2^20655662130 is an apocalyptic number.

20655662130 is an abundant number, since it is smaller than the sum of its proper divisors (33123101454).

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

20655662130 is a wasteful number, since it uses less digits than its factorization.

20655662130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316431 (or 316428 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 20655662130 in words is "twenty billion, six hundred fifty-five million, six hundred sixty-two thousand, one hundred thirty".