20004023125 has 20 divisors (see below), whose sum is σ = 25065426496. Its totient is φ = 15959430000.

The previous prime is 20004023113. The next prime is 20004023153. The reversal of 20004023125 is 52132040002.

It is not a de Polignac number, because 20004023125 - 2⁹ = 20004022613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 185770 + ... + 272980.

Almost surely, 2^20004023125 is an apocalyptic number.

20004023125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20004023125 is a deficient number, since it is larger than the sum of its proper divisors (5061403371).

20004023125 is an frugal number, since it uses more digits than its factorization.

20004023125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87598 (or 87583 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20004023125 its reverse (52132040002), we get a palindrome (72136063127).

The spelling of 20004023125 in words is "twenty billion, four million, twenty-three thousand, one hundred twenty-five".