20374402994 has 32 divisors (see below), whose sum is σ = 34032830400. Its totient is φ = 9069278400.

The previous prime is 20374402991. The next prime is 20374403041. The reversal of 20374402994 is 49920447302.

It is not an unprimeable number, because it can be changed into a prime (20374402991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614657 + ... + 646955.

It is an arithmetic number, because the mean of its divisors is an integer number (1063525950).

Almost surely, 2^20374402994 is an apocalyptic number.

20374402994 is a deficient number, since it is larger than the sum of its proper divisors (13658427406).

20374402994 is a wasteful number, since it uses less digits than its factorization.

20374402994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32906.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 20374402994 in words is "twenty billion, three hundred seventy-four million, four hundred two thousand, nine hundred ninety-four".