20003332125 has 64 divisors (see below), whose sum is σ = 38111703552. Its totient is φ = 9127296000.

The previous prime is 20003332123. The next prime is 20003332157. The reversal of 20003332125 is 52123330002.

It is not a de Polignac number, because 20003332125 - 2¹ = 20003332123 is a prime.

It is a super-2 number, since 2×20003332125² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003332121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1455285 + ... + 1468965.

It is an arithmetic number, because the mean of its divisors is an integer number (595495368).

Almost surely, 2^20003332125 is an apocalyptic number.

20003332125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20003332125 is a deficient number, since it is larger than the sum of its proper divisors (18108371427).

20003332125 is a wasteful number, since it uses less digits than its factorization.

20003332125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263 (or 14253 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 20003332125 its reverse (52123330002), we get a palindrome (72126662127).

The spelling of 20003332125 in words is "twenty billion, three million, three hundred thirty-two thousand, one hundred twenty-five".