20124410520531 has 4 divisors (see below), whose sum is σ = 26832547360712. Its totient is φ = 13416273680352.

The previous prime is 20124410520521. The next prime is 20124410520559. The reversal of 20124410520531 is 13502501442102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20124410520531 - 2¹¹ = 20124410518483 is a prime.

It is a super-2 number, since 2×20124410520531² (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 (20124410520521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3354068420086 + ... + 3354068420091.

It is an arithmetic number, because the mean of its divisors is an integer number (6708136840178).

Almost surely, 2^{20124410520531} is an apocalyptic number.

20124410520531 is a deficient number, since it is larger than the sum of its proper divisors (6708136840181).

20124410520531 is an equidigital number, since it uses as much as digits as its factorization.

20124410520531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708136840180.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 20124410520531 its reverse (13502501442102), we get a palindrome (33626911962633).

The spelling of 20124410520531 in words is "twenty trillion, one hundred twenty-four billion, four hundred ten million, five hundred twenty thousand, five hundred thirty-one".