20157875102 has 8 divisors (see below), whose sum is σ = 30474898176. Its totient is φ = 9999575712.

The previous prime is 20157875081. The next prime is 20157875107.

20157875102 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20157875107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39680603 + ... + 39681110.

It is an arithmetic number, because the mean of its divisors is an integer number (3809362272).

Almost surely, 2^20157875102 is an apocalyptic number.

20157875102 is a deficient number, since it is larger than the sum of its proper divisors (10317023074).

20157875102 is a wasteful number, since it uses less digits than its factorization.

20157875102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79361842.

The product of its (nonzero) digits is 39200, while the sum is 38.

The spelling of 20157875102 in words is "twenty billion, one hundred fifty-seven million, eight hundred seventy-five thousand, one hundred two".