20125760 has 56 divisors (see below), whose sum is σ = 48447960. Its totient is φ = 7962624.

The previous prime is 20125751. The next prime is 20125799. The reversal of 20125760 is 6752102.

It can be written as a sum of positive squares in 4 ways, for example, as 9834496 + 10291264 = 3136^2 + 3208^2 .

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, 34592 + ... + 35168.

Almost surely, 2^20125760 is an apocalyptic number.

20125760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20125760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24223980).

20125760 is an abundant number, since it is smaller than the sum of its proper divisors (28322200).

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

20125760 is a wasteful number, since it uses less digits than its factorization.

20125760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 20125760 is about 4486.1743167202. The cubic root of 20125760 is about 272.0095152381.

Adding to 20125760 its reverse (6752102), we get a palindrome (26877862).

The spelling of 20125760 in words is "twenty million, one hundred twenty-five thousand, seven hundred sixty".