20302231125 has 64 divisors (see below), whose sum is σ = 37404656640. Its totient is φ = 9696456000.

The previous prime is 20302231067. The next prime is 20302231127. The reversal of 20302231125 is 52113220302.

It is not a de Polignac number, because 20302231125 - 2⁸ = 20302230869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302231127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239646 + ... + 313104.

It is an arithmetic number, because the mean of its divisors is an integer number (584447760).

Almost surely, 2^20302231125 is an apocalyptic number.

20302231125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20302231125 is a deficient number, since it is larger than the sum of its proper divisors (17102425515).

20302231125 is a wasteful number, since it uses less digits than its factorization.

20302231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73555 (or 73545 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20302231125 its reverse (52113220302), we get a palindrome (72415451427).

The spelling of 20302231125 in words is "twenty billion, three hundred two million, two hundred thirty-one thousand, one hundred twenty-five".