20425123604 has 12 divisors (see below), whose sum is σ = 35787193344. Its totient is φ = 10200211224.

The previous prime is 20425123601. The next prime is 20425123639. The reversal of 20425123604 is 40632152402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425123601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083924 + ... + 3090539.

It is an arithmetic number, because the mean of its divisors is an integer number (2982266112).

Almost surely, 2^20425123604 is an apocalyptic number.

It is an amenable number.

20425123604 is a deficient number, since it is larger than the sum of its proper divisors (15362069740).

20425123604 is a wasteful number, since it uses less digits than its factorization.

20425123604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175294 (or 6175292 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 20425123604 in words is "twenty billion, four hundred twenty-five million, one hundred twenty-three thousand, six hundred four".