20125394496 has 189 divisors, whose sum is σ = 60538489921. Its totient is φ = 6391824384.

The previous prime is 20125394483. The next prime is 20125394503. The reversal of 20125394496 is 69449352102.

The square root of 20125394496 is 141864.

It is a perfect power (a square), and thus also a powerful number.

20125394496 is a `hidden beast` number, since 2 + 0 + 125 + 39 + 4 + 496 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19813377600 + 312016896 = 140760^2 + 17664^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78308800 + ... + 78309056.

Almost surely, 2^20125394496 is an apocalyptic number.

20125394496 is the 141864-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20125394496

20125394496 is an abundant number, since it is smaller than the sum of its proper divisors (40413095425).

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

20125394496 is an equidigital number, since it uses as much as digits as its factorization.

20125394496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 20125394496 in words is "twenty billion, one hundred twenty-five million, three hundred ninety-four thousand, four hundred ninety-six".