20425999372 has 24 divisors (see below), whose sum is σ = 36433061280. Its totient is φ = 10018014720.

The previous prime is 20425999351. The next prime is 20425999393. The reversal of 20425999372 is 27399952402.

It is an interprime number because it is at equal distance from previous prime (20425999351) and next prime (20425999393).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126597 + ... + 238492.

It is an arithmetic number, because the mean of its divisors is an integer number (1518044220).

Almost surely, 2^20425999372 is an apocalyptic number.

It is an amenable number.

20425999372 is a deficient number, since it is larger than the sum of its proper divisors (16007061908).

20425999372 is a wasteful number, since it uses less digits than its factorization.

20425999372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365361 (or 365359 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 20425999372 in words is "twenty billion, four hundred twenty-five million, nine hundred ninety-nine thousand, three hundred seventy-two".