20120033220131 has 32 divisors (see below), whose sum is σ = 22858416967680. Its totient is φ = 17556098716800.

The previous prime is 20120033220019. The next prime is 20120033220193. The reversal of 20120033220131 is 13102233002102.

It is a cyclic number.

It is not a de Polignac number, because 20120033220131 - 2⁴² = 15721986709027 is a prime.

It is a super-2 number, since 2×20120033220131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120033223131) 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 31 ways as a sum of consecutive naturals, for example, 216691886 + ... + 216784716.

It is an arithmetic number, because the mean of its divisors is an integer number (714325530240).

Almost surely, 2^{20120033220131} is an apocalyptic number.

20120033220131 is a deficient number, since it is larger than the sum of its proper divisors (2738383747549).

20120033220131 is a wasteful number, since it uses less digits than its factorization.

20120033220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94787.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20120033220131 its reverse (13102233002102), we get a palindrome (33222266222233).

The spelling of 20120033220131 in words is "twenty trillion, one hundred twenty billion, thirty-three million, two hundred twenty thousand, one hundred thirty-one".