20120013202031 has 16 divisors (see below), whose sum is σ = 21148102123200. Its totient is φ = 19105036389120.

The previous prime is 20120013202021. The next prime is 20120013202043. The reversal of 20120013202031 is 13020231002102.

It is a cyclic number.

It is not a de Polignac number, because 20120013202031 - 2¹⁰ = 20120013201007 is a prime.

It is a super-2 number, since 2×20120013202031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120013202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194806 + ... + 6455043.

It is an arithmetic number, because the mean of its divisors is an integer number (1321756382700).

Almost surely, 2^{20120013202031} is an apocalyptic number.

20120013202031 is a deficient number, since it is larger than the sum of its proper divisors (1028088921169).

20120013202031 is a wasteful number, since it uses less digits than its factorization.

20120013202031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650706.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20120013202031 its reverse (13020231002102), we get a palindrome (33140244204133).

The spelling of 20120013202031 in words is "twenty trillion, one hundred twenty billion, thirteen million, two hundred two thousand, thirty-one".