20554125606 has 48 divisors (see below), whose sum is σ = 50989146624. Its totient is φ = 5861851632.

The previous prime is 20554125601. The next prime is 20554125659. The reversal of 20554125606 is 60652145502.

20554125606 is a `hidden beast` number, since 2 + 0 + 5 + 5 + 41 + 2 + 5 + 606 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554125601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80190 + ... + 218033.

It is an arithmetic number, because the mean of its divisors is an integer number (1062273888).

Almost surely, 2^20554125606 is an apocalyptic number.

20554125606 is an abundant number, since it is smaller than the sum of its proper divisors (30435021018).

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

20554125606 is a wasteful number, since it uses less digits than its factorization.

20554125606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298785 (or 298782 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 20554125606 in words is "twenty billion, five hundred fifty-four million, one hundred twenty-five thousand, six hundred six".