20872372662 has 48 divisors (see below), whose sum is σ = 45643993200. Its totient is φ = 6893004096.

The previous prime is 20872372637. The next prime is 20872372663. The reversal of 20872372662 is 26627327802.

20872372662 is a `hidden beast` number, since 208 + 72 + 372 + 6 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20872372663) 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, 1054953 + ... + 1074555.

It is an arithmetic number, because the mean of its divisors is an integer number (950916525).

Almost surely, 2^20872372662 is an apocalyptic number.

20872372662 is an abundant number, since it is smaller than the sum of its proper divisors (24771620538).

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

20872372662 is a wasteful number, since it uses less digits than its factorization.

20872372662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20157 (or 20154 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 20872372662 in words is "twenty billion, eight hundred seventy-two million, three hundred seventy-two thousand, six hundred sixty-two".