20572112630 has 48 divisors (see below), whose sum is σ = 39250144080. Its totient is φ = 7741839744.

The previous prime is 20572112629. The next prime is 20572112633. The reversal of 20572112630 is 3621127502.

It is a happy number.

It is a super-2 number, since 2×20572112630² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20572112593 and 20572112602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20572112633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4215752 + ... + 4220628.

It is an arithmetic number, because the mean of its divisors is an integer number (817711335).

Almost surely, 2^20572112630 is an apocalyptic number.

20572112630 is a deficient number, since it is larger than the sum of its proper divisors (18678031450).

20572112630 is a wasteful number, since it uses less digits than its factorization.

20572112630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 20572112630 in words is "twenty billion, five hundred seventy-two million, one hundred twelve thousand, six hundred thirty".