20431534514233 has 8 divisors (see below), whose sum is σ = 20674848511296. Its totient is φ = 20189024862000.

The previous prime is 20431534514231. The next prime is 20431534514273. The reversal of 20431534514233 is 33241543513402.

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 20431534514233 - 2¹ = 20431534514231 is a prime.

It is a super-2 number, since 2×20431534514233² (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 (20431534514231) 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, 201035103 + ... + 201136708.

It is an arithmetic number, because the mean of its divisors is an integer number (2584356063912).

Almost surely, 2^{20431534514233} is an apocalyptic number.

It is an amenable number.

20431534514233 is a deficient number, since it is larger than the sum of its proper divisors (243313997063).

20431534514233 is a wasteful number, since it uses less digits than its factorization.

20431534514233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402172415.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 20431534514233 in words is "twenty trillion, four hundred thirty-one billion, five hundred thirty-four million, five hundred fourteen thousand, two hundred thirty-three".