20374923896 has 8 divisors (see below), whose sum is σ = 38202982320. Its totient is φ = 10187461944.

The previous prime is 20374923859. The next prime is 20374923917. The reversal of 20374923896 is 69832947302.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1273432736 + ... + 1273432751.

It is an arithmetic number, because the mean of its divisors is an integer number (4775372790).

Almost surely, 2^20374923896 is an apocalyptic number.

It is an amenable number.

20374923896 is a deficient number, since it is larger than the sum of its proper divisors (17828058424).

20374923896 is a wasteful number, since it uses less digits than its factorization.

20374923896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546865493 (or 2546865489 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 20374923896 in words is "twenty billion, three hundred seventy-four million, nine hundred twenty-three thousand, eight hundred ninety-six".