20620422630 has 48 divisors (see below), whose sum is σ = 53651108160. Its totient is φ = 5494881024.

The previous prime is 20620422623. The next prime is 20620422637. The reversal of 20620422630 is 3622402602.

20620422630 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 0 + 4 + 22 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (20620422623) and next prime (20620422637).

It is a super-2 number, since 2×20620422630² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20620422594 and 20620422603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620422637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47566 + ... + 208574.

It is an arithmetic number, because the mean of its divisors is an integer number (1117731420).

Almost surely, 2^20620422630 is an apocalyptic number.

20620422630 is an abundant number, since it is smaller than the sum of its proper divisors (33030685530).

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

20620422630 is a wasteful number, since it uses less digits than its factorization.

20620422630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162445 (or 162442 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 20620422630 in words is "twenty billion, six hundred twenty million, four hundred twenty-two thousand, six hundred thirty".