20003352125 has 32 divisors (see below), whose sum is σ = 25261891200. Its totient is φ = 15812390400.

The previous prime is 20003352119. The next prime is 20003352197. The reversal of 20003352125 is 52125330002.

It is a de Polignac number, because none of the positive numbers 2^k-20003352125 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20003352125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12354566 + ... + 12356184.

It is an arithmetic number, because the mean of its divisors is an integer number (789434100).

Almost surely, 2^20003352125 is an apocalyptic number.

20003352125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20003352125 is a deficient number, since it is larger than the sum of its proper divisors (5258539075).

20003352125 is a wasteful number, since it uses less digits than its factorization.

20003352125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750 (or 2740 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 20003352125 its reverse (52125330002), we get a palindrome (72128682127).

The spelling of 20003352125 in words is "twenty billion, three million, three hundred fifty-two thousand, one hundred twenty-five".