20125700 has 36 divisors (see below), whose sum is σ = 49913472. Its totient is φ = 6900000.

The previous prime is 20125697. The next prime is 20125723. The reversal of 20125700 is 752102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13676 + ... + 15075.

Almost surely, 2^20125700 is an apocalyptic number.

20125700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20125700 is an abundant number, since it is smaller than the sum of its proper divisors (29787772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20125700 is a wasteful number, since it uses less digits than its factorization.

20125700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28772 (or 28765 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 20125700 is about 4486.1676295029. The cubic root of 20125700 is about 272.0092449280.

Adding to 20125700 its reverse (752102), we get a palindrome (20877802).

The spelling of 20125700 in words is "twenty million, one hundred twenty-five thousand, seven hundred".