20877360100 has 27 divisors (see below), whose sum is σ = 45307007067. Its totient is φ = 8350366080.

The previous prime is 20877360083. The next prime is 20877360169. The reversal of 20877360100 is 106377802.

The square root of 20877360100 is 144490.

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 5280347556 + 15597012544 = 72666^2 + 124888^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1437676 + ... + 1452124.

Almost surely, 2^20877360100 is an apocalyptic number.

20877360100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

20877360100 is the 144490-th square number.

It is an amenable number.

20877360100 is an abundant number, since it is smaller than the sum of its proper divisors (24429646967).

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

20877360100 is an frugal number, since it uses more digits than its factorization.

20877360100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28912 (or 14456 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 20877360100 in words is "twenty billion, eight hundred seventy-seven million, three hundred sixty thousand, one hundred".