20312630514535 has 4 divisors (see below), whose sum is σ = 24375156617448. Its totient is φ = 16250104411624.

The previous prime is 20312630514529. The next prime is 20312630514571. The reversal of 20312630514535 is 53541503621302.

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

It is a cyclic number.

It is not a de Polignac number, because 20312630514535 - 2⁹ = 20312630514023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031263051449 + ... + 2031263051458.

It is an arithmetic number, because the mean of its divisors is an integer number (6093789154362).

Almost surely, 2^{20312630514535} is an apocalyptic number.

20312630514535 is a deficient number, since it is larger than the sum of its proper divisors (4062526102913).

20312630514535 is an equidigital number, since it uses as much as digits as its factorization.

20312630514535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062526102912.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 20312630514535 in words is "twenty trillion, three hundred twelve billion, six hundred thirty million, five hundred fourteen thousand, five hundred thirty-five".