20633379125 has 16 divisors (see below), whose sum is σ = 26581122048. Its totient is φ = 15974226000.

The previous prime is 20633379079. The next prime is 20633379139. The reversal of 20633379125 is 52197333602.

It is not a de Polignac number, because 20633379125 - 2²⁰ = 20632330549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658497 + ... + 2666246.

It is an arithmetic number, because the mean of its divisors is an integer number (1661320128).

Almost surely, 2^20633379125 is an apocalyptic number.

20633379125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20633379125 is a deficient number, since it is larger than the sum of its proper divisors (5947742923).

20633379125 is an equidigital number, since it uses as much as digits as its factorization.

20633379125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324789 (or 5324779 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 20633379125 in words is "twenty billion, six hundred thirty-three million, three hundred seventy-nine thousand, one hundred twenty-five".