20514324131 has 16 divisors (see below), whose sum is σ = 24144153600. Its totient is φ = 17066844288.

The previous prime is 20514324109. The next prime is 20514324139. The reversal of 20514324131 is 13142341502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20514324131 - 2²⁶ = 20447215267 is a prime.

It is a super-2 number, since 2×20514324131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20514324131.

It is not an unprimeable number, because it can be changed into a prime (20514324139) 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, 281750 + ... + 347003.

It is an arithmetic number, because the mean of its divisors is an integer number (1509009600).

Almost surely, 2^20514324131 is an apocalyptic number.

20514324131 is a deficient number, since it is larger than the sum of its proper divisors (3629829469).

20514324131 is an equidigital number, since it uses as much as digits as its factorization.

20514324131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628898.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20514324131 its reverse (13142341502), we get a palindrome (33656665633).

The spelling of 20514324131 in words is "twenty billion, five hundred fourteen million, three hundred twenty-four thousand, one hundred thirty-one".