20081826574425 has 72 divisors (see below), whose sum is σ = 44844196662720. Its totient is φ = 8345694153600.

The previous prime is 20081826574417. The next prime is 20081826574427. The reversal of 20081826574425 is 52447562818002.

20081826574425 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 1 + 8 + 26 + 574 + 42 + 5 = 666.

It is not a de Polignac number, because 20081826574425 - 2³ = 20081826574417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20081826574427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 579544770 + ... + 579579419.

It is an arithmetic number, because the mean of its divisors is an integer number (622836064760).

Almost surely, 2^{20081826574425} is an apocalyptic number.

20081826574425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20081826574425 is an abundant number, since it is smaller than the sum of its proper divisors (24762370088295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20081826574425 is a wasteful number, since it uses less digits than its factorization.

20081826574425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159124223 (or 1159124215 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 20081826574425 in words is "twenty trillion, eighty-one billion, eight hundred twenty-six million, five hundred seventy-four thousand, four hundred twenty-five".