20425034372 has 24 divisors (see below), whose sum is σ = 36740200896. Its totient is φ = 9928290528.

The previous prime is 20425034347. The next prime is 20425034393. The reversal of 20425034372 is 27343052402.

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, 124583 + ... + 237425.

It is an arithmetic number, because the mean of its divisors is an integer number (1530841704).

Almost surely, 2^20425034372 is an apocalyptic number.

It is an amenable number.

20425034372 is a deficient number, since it is larger than the sum of its proper divisors (16315166524).

20425034372 is a wasteful number, since it uses less digits than its factorization.

20425034372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114107 (or 114105 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

Adding to 20425034372 its reverse (27343052402), we get a palindrome (47768086774).

The spelling of 20425034372 in words is "twenty billion, four hundred twenty-five million, thirty-four thousand, three hundred seventy-two".