20310631675 has 24 divisors (see below), whose sum is σ = 25676028752. Its totient is φ = 15933456000.

The previous prime is 20310631657. The next prime is 20310631681. The reversal of 20310631675 is 57613601302.

It is not a de Polignac number, because 20310631675 - 2¹⁷ = 20310500603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20310631675.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484657 + ... + 524893.

Almost surely, 2^20310631675 is an apocalyptic number.

20310631675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20310631675 is a deficient number, since it is larger than the sum of its proper divisors (5365397077).

20310631675 is a wasteful number, since it uses less digits than its factorization.

20310631675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40639 (or 40634 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 20310631675 in words is "twenty billion, three hundred ten million, six hundred thirty-one thousand, six hundred seventy-five".