20313000022100 has 36 divisors (see below), whose sum is σ = 44515637892348. Its totient is φ = 8044752480000.

The previous prime is 20313000022043. The next prime is 20313000022111. The reversal of 20313000022100 is 122000031302.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4242891389584 + 16070108632516 = 2059828^2 + 4008754^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005583961 + ... + 1005604160.

Almost surely, 2^{20313000022100} is an apocalyptic number.

20313000022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313000022100 is an abundant number, since it is smaller than the sum of its proper divisors (24202637870248).

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

20313000022100 is a wasteful number, since it uses less digits than its factorization.

20313000022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011188236 (or 2011188229 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20313000022100 its reverse (122000031302), we get a palindrome (20435000053402).

The spelling of 20313000022100 in words is "twenty trillion, three hundred thirteen billion, twenty-two thousand, one hundred".