20431534514235 has 16 divisors (see below), whose sum is σ = 35205105624864. Its totient is φ = 10058601606912.

The previous prime is 20431534514231. The next prime is 20431534514273. The reversal of 20431534514235 is 53241543513402.

It is not a de Polignac number, because 20431534514235 - 2² = 20431534514231 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 52388549842 + ... + 52388550231.

It is an arithmetic number, because the mean of its divisors is an integer number (2200319101554).

Almost surely, 2^{20431534514235} is an apocalyptic number.

20431534514235 is a deficient number, since it is larger than the sum of its proper divisors (14773571110629).

20431534514235 is a wasteful number, since it uses less digits than its factorization.

20431534514235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104777100094.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 20431534514235 in words is "twenty trillion, four hundred thirty-one billion, five hundred thirty-four million, five hundred fourteen thousand, two hundred thirty-five".