20945036176 has 45 divisors (see below), whose sum is σ = 41113905651. Its totient is φ = 10336766976.

The previous prime is 20945036171. The next prime is 20945036179. The reversal of 20945036176 is 67163054902.

The square root of 20945036176 is 144724.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1157776 + 20943878400 = 1076^2 + 144720^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20945036171) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56152726 + ... + 56153098.

Almost surely, 2^20945036176 is an apocalyptic number.

20945036176 is the 144724-th square number.

It is an amenable number.

20945036176 is a deficient number, since it is larger than the sum of its proper divisors (20168869475).

20945036176 is an frugal number, since it uses more digits than its factorization.

20945036176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 20945036176 in words is "twenty billion, nine hundred forty-five million, thirty-six thousand, one hundred seventy-six".