20377003225 has 12 divisors (see below), whose sum is σ = 25387241680. Its totient is φ = 16224339600.

The previous prime is 20377003211. The next prime is 20377003237. The reversal of 20377003225 is 52230077302.

It is not a de Polignac number, because 20377003225 - 2²⁵ = 20343448793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1926195 + ... + 1936744.

Almost surely, 2^20377003225 is an apocalyptic number.

20377003225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20377003225 is a deficient number, since it is larger than the sum of its proper divisors (5010238455).

20377003225 is a wasteful number, since it uses less digits than its factorization.

20377003225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863160 (or 3863155 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The spelling of 20377003225 in words is "twenty billion, three hundred seventy-seven million, three thousand, two hundred twenty-five".