20202115125 has 16 divisors (see below), whose sum is σ = 33616320192. Its totient is φ = 10774461200.

The previous prime is 20202115097. The next prime is 20202115163. The reversal of 20202115125 is 52151120202.

It is not a de Polignac number, because 20202115125 - 2⁷ = 20202114997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26935779 + ... + 26936528.

It is an arithmetic number, because the mean of its divisors is an integer number (2101020012).

Almost surely, 2^20202115125 is an apocalyptic number.

20202115125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20202115125 is a deficient number, since it is larger than the sum of its proper divisors (13414205067).

20202115125 is an equidigital number, since it uses as much as digits as its factorization.

20202115125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53872325 (or 53872315 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 20202115125 its reverse (52151120202), we get a palindrome (72353235327).

The spelling of 20202115125 in words is "twenty billion, two hundred two million, one hundred fifteen thousand, one hundred twenty-five".