20672056052 has 6 divisors (see below), whose sum is σ = 36176098098. Its totient is φ = 10336028024.

The previous prime is 20672056043. The next prime is 20672056057. The reversal of 20672056052 is 25065027602.

It can be written as a sum of positive squares in only one way, i.e., 15147701776 + 5524354276 = 123076^2 + 74326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20672056057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584007003 + ... + 2584007010.

It is an arithmetic number, because the mean of its divisors is an integer number (6029349683).

Almost surely, 2^20672056052 is an apocalyptic number.

It is an amenable number.

20672056052 is a deficient number, since it is larger than the sum of its proper divisors (15504042046).

20672056052 is a wasteful number, since it uses less digits than its factorization.

20672056052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168014017 (or 5168014015 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 20672056052 in words is "twenty billion, six hundred seventy-two million, fifty-six thousand, fifty-two".