20132401925 has 12 divisors (see below), whose sum is σ = 24978941796. Its totient is φ = 16096396800.

The previous prime is 20132401819. The next prime is 20132401969. The reversal of 20132401925 is 52910423102.

It can be written as a sum of positive squares in 6 ways, for example, as 498227041 + 19634174884 = 22321^2 + 140122^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20132401925 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, 194846 + ... + 279695.

It is an arithmetic number, because the mean of its divisors is an integer number (2081578483).

Almost surely, 2^20132401925 is an apocalyptic number.

20132401925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20132401925 is a deficient number, since it is larger than the sum of its proper divisors (4846539871).

20132401925 is a wasteful number, since it uses less digits than its factorization.

20132401925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476248 (or 476243 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 20132401925 in words is "twenty billion, one hundred thirty-two million, four hundred one thousand, nine hundred twenty-five".