20131202203120 has 20 divisors (see below), whose sum is σ = 46805045122440. Its totient is φ = 8052480881216.

The previous prime is 20131202203061. The next prime is 20131202203139. The reversal of 20131202203120 is 2130220213102.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125820013690 + ... + 125820013849.

It is an arithmetic number, because the mean of its divisors is an integer number (2340252256122).

Almost surely, 2^{20131202203120} is an apocalyptic number.

20131202203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131202203120 is an abundant number, since it is smaller than the sum of its proper divisors (26673842919320).

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

20131202203120 is a wasteful number, since it uses less digits than its factorization.

20131202203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251640027552 (or 251640027546 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20131202203120 its reverse (2130220213102), we get a palindrome (22261422416222).

The spelling of 20131202203120 in words is "twenty trillion, one hundred thirty-one billion, two hundred two million, two hundred three thousand, one hundred twenty".