20425053724 has 6 divisors (see below), whose sum is σ = 35743844024. Its totient is φ = 10212526860.

The previous prime is 20425053697. The next prime is 20425053757. The reversal of 20425053724 is 42735052402.

It is a self number, because there is not a number n which added to its sum of digits gives 20425053724.

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, 2553131712 + ... + 2553131719.

Almost surely, 2^20425053724 is an apocalyptic number.

It is an amenable number.

20425053724 is a deficient number, since it is larger than the sum of its proper divisors (15318790300).

20425053724 is a wasteful number, since it uses less digits than its factorization.

20425053724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106263435 (or 5106263433 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 20425053724 in words is "twenty billion, four hundred twenty-five million, fifty-three thousand, seven hundred twenty-four".