20117702562 has 24 divisors (see below), whose sum is σ = 40507521936. Its totient is φ = 6660850704.

The previous prime is 20117702513. The next prime is 20117702609. The reversal of 20117702562 is 26520771102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57693 + ... + 208719.

It is an arithmetic number, because the mean of its divisors is an integer number (1687813414).

Almost surely, 2^20117702562 is an apocalyptic number.

20117702562 is an abundant number, since it is smaller than the sum of its proper divisors (20389819374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20117702562 is a wasteful number, since it uses less digits than its factorization.

20117702562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151330 (or 151181 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 20117702562 in words is "twenty billion, one hundred seventeen million, seven hundred two thousand, five hundred sixty-two".