20715099374 has 4 divisors (see below), whose sum is σ = 31072649064. Its totient is φ = 10357549686.

The previous prime is 20715099331. The next prime is 20715099401. The reversal of 20715099374 is 47399051702.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5178774842 + ... + 5178774845.

It is an arithmetic number, because the mean of its divisors is an integer number (7768162266).

Almost surely, 2^20715099374 is an apocalyptic number.

20715099374 is a deficient number, since it is larger than the sum of its proper divisors (10357549690).

20715099374 is a wasteful number, since it uses less digits than its factorization.

20715099374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10357549689.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 20715099374 in words is "twenty billion, seven hundred fifteen million, ninety-nine thousand, three hundred seventy-four".