20012130331 has 8 divisors (see below), whose sum is σ = 20137356000. Its totient is φ = 19887151680.

The previous prime is 20012130293. The next prime is 20012130349. The reversal of 20012130331 is 13303121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012130331 - 2¹⁵ = 20012097563 is a prime.

It is a super-2 number, since 2×20012130331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012430331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102135 + ... + 224623.

It is an arithmetic number, because the mean of its divisors is an integer number (2517169500).

Almost surely, 2^20012130331 is an apocalyptic number.

20012130331 is a deficient number, since it is larger than the sum of its proper divisors (125225669).

20012130331 is a wasteful number, since it uses less digits than its factorization.

20012130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123509.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20012130331 its reverse (13303121002), we get a palindrome (33315251333).

The spelling of 20012130331 in words is "twenty billion, twelve million, one hundred thirty thousand, three hundred thirty-one".