20502675707 has 8 divisors (see below), whose sum is σ = 20599695600. Its totient is φ = 20405881440.

The previous prime is 20502675703. The next prime is 20502675749. The reversal of 20502675707 is 70757620502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20502675707 - 2² = 20502675703 is a prime.

It is a super-2 number, since 2×20502675707² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20502675703) 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, 127169 + ... + 239117.

It is an arithmetic number, because the mean of its divisors is an integer number (2574961950).

Almost surely, 2^20502675707 is an apocalyptic number.

20502675707 is a deficient number, since it is larger than the sum of its proper divisors (97019893).

20502675707 is a wasteful number, since it uses less digits than its factorization.

20502675707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112813.

The product of its (nonzero) digits is 205800, while the sum is 41.

The spelling of 20502675707 in words is "twenty billion, five hundred two million, six hundred seventy-five thousand, seven hundred seven".