20003211025 has 48 divisors (see below), whose sum is σ = 29607569280. Its totient is φ = 13119321600.

The previous prime is 20003211017. The next prime is 20003211029. The reversal of 20003211025 is 52011230002.

It is not a de Polignac number, because 20003211025 - 2³ = 20003211017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003211029) 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 47 ways as a sum of consecutive naturals, for example, 355845 + ... + 408205.

It is an arithmetic number, because the mean of its divisors is an integer number (616824360).

Almost surely, 2^20003211025 is an apocalyptic number.

20003211025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20003211025 is a deficient number, since it is larger than the sum of its proper divisors (9604358255).

20003211025 is a wasteful number, since it uses less digits than its factorization.

20003211025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52474 (or 52469 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20003211025 its reverse (52011230002), we get a palindrome (72014441027).

The spelling of 20003211025 in words is "twenty billion, three million, two hundred eleven thousand, twenty-five".