20213100321010 has 16 divisors (see below), whose sum is σ = 36383851661976. Its totient is φ = 8085179887488.

The previous prime is 20213100320999. The next prime is 20213100321059. The reversal of 20213100321010 is 1012300131202.

It can be written as a sum of positive squares in 4 ways, for example, as 20207605212369 + 5495108641 = 4495287^2 + 74129^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6108069 + ... + 8816728.

Almost surely, 2^{20213100321010} is an apocalyptic number.

20213100321010 is a deficient number, since it is larger than the sum of its proper divisors (16170751340966).

20213100321010 is a wasteful number, since it uses less digits than its factorization.

20213100321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060237.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20213100321010 its reverse (1012300131202), we get a palindrome (21225400452212).

The spelling of 20213100321010 in words is "twenty trillion, two hundred thirteen billion, one hundred million, three hundred twenty-one thousand, ten".