20476800125 has 12 divisors (see below), whose sum is σ = 25557043356. Its totient is φ = 16380160200.

The previous prime is 20476800083. The next prime is 20476800133. The reversal of 20476800125 is 52100867402.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 655257604 + 19821542521 = 25598^2 + 140789^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20476800125 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 11 ways as a sum of consecutive naturals, for example, 1593476 + ... + 1606274.

It is an arithmetic number, because the mean of its divisors is an integer number (2129753613).

Almost surely, 2^20476800125 is an apocalyptic number.

20476800125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20476800125 is a deficient number, since it is larger than the sum of its proper divisors (5080243231).

20476800125 is an frugal number, since it uses more digits than its factorization.

20476800125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25613 (or 12804 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 20476800125 in words is "twenty billion, four hundred seventy-six million, eight hundred thousand, one hundred twenty-five".