20453321434131 has 12 divisors (see below), whose sum is σ = 29609485378200. Its totient is φ = 13605178917120.

The previous prime is 20453321434123. The next prime is 20453321434151. The reversal of 20453321434131 is 13143412335402.

20453321434131 is a `hidden beast` number, since 2 + 0 + 45 + 33 + 21 + 434 + 131 = 666.

It is not a de Polignac number, because 20453321434131 - 2³ = 20453321434123 is a prime.

It is a super-2 number, since 2×20453321434131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20453321434151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2530721205 + ... + 2530729286.

It is an arithmetic number, because the mean of its divisors is an integer number (2467457114850).

Almost surely, 2^{20453321434131} is an apocalyptic number.

20453321434131 is a deficient number, since it is larger than the sum of its proper divisors (9156163944069).

20453321434131 is a wasteful number, since it uses less digits than its factorization.

20453321434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061450946 (or 5061450943 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 20453321434131 its reverse (13143412335402), we get a palindrome (33596733769533).

The spelling of 20453321434131 in words is "twenty trillion, four hundred fifty-three billion, three hundred twenty-one million, four hundred thirty-four thousand, one hundred thirty-one".