20004444022425 has 24 divisors (see below), whose sum is σ = 33112787979264. Its totient is φ = 10656529114560.

The previous prime is 20004444022369. The next prime is 20004444022483. The reversal of 20004444022425 is 52422044440002.

It is not a de Polignac number, because 20004444022425 - 2²⁹ = 20003907151513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156281817 + ... + 156409766.

It is an arithmetic number, because the mean of its divisors is an integer number (1379699499136).

Almost surely, 2^{20004444022425} is an apocalyptic number.

20004444022425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20004444022425 is a deficient number, since it is larger than the sum of its proper divisors (13108343956839).

20004444022425 is a wasteful number, since it uses less digits than its factorization.

20004444022425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312692449 (or 312692444 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 20004444022425 its reverse (52422044440002), we get a palindrome (72426488462427).

The spelling of 20004444022425 in words is "twenty trillion, four billion, four hundred forty-four million, twenty-two thousand, four hundred twenty-five".