20313113210 has 16 divisors (see below), whose sum is σ = 39376188936. Its totient is φ = 7500226368.

The previous prime is 20313113201. The next prime is 20313113213. The reversal of 20313113210 is 1231131302.

It can be written as a sum of positive squares in 4 ways, for example, as 14097525289 + 6215587921 = 118733^2 + 78839^2 .

It is not an unprimeable number, because it can be changed into a prime (20313113213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78127229 + ... + 78127488.

Almost surely, 2^20313113210 is an apocalyptic number.

20313113210 is a deficient number, since it is larger than the sum of its proper divisors (19063075726).

20313113210 is a wasteful number, since it uses less digits than its factorization.

20313113210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156254737.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20313113210 its reverse (1231131302), we get a palindrome (21544244512).

The spelling of 20313113210 in words is "twenty billion, three hundred thirteen million, one hundred thirteen thousand, two hundred ten".