20120020220131 has 16 divisors (see below), whose sum is σ = 22197133603008. Its totient is φ = 18118576512000.

The previous prime is 20120020220119. The next prime is 20120020220161. The reversal of 20120020220131 is 13102202002102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20120020220131 - 2¹³ = 20120020211939 is a prime.

It is a super-2 number, since 2×20120020220131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120020220161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12009531 + ... + 13581931.

It is an arithmetic number, because the mean of its divisors is an integer number (1387320850188).

Almost surely, 2^{20120020220131} is an apocalyptic number.

20120020220131 is a deficient number, since it is larger than the sum of its proper divisors (2077113382877).

20120020220131 is a wasteful number, since it uses less digits than its factorization.

20120020220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596462.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20120020220131 its reverse (13102202002102), we get a palindrome (33222222222233).

The spelling of 20120020220131 in words is "twenty trillion, one hundred twenty billion, twenty million, two hundred twenty thousand, one hundred thirty-one".