20054500125 has 32 divisors (see below), whose sum is σ = 36404394624. Its totient is φ = 9723392000.

The previous prime is 20054500093. The next prime is 20054500159. The reversal of 20054500125 is 52100545002.

It is a happy number.

It is not a de Polignac number, because 20054500125 - 2⁵ = 20054500093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20054500095 and 20054500104.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2426724 + ... + 2434973.

It is an arithmetic number, because the mean of its divisors is an integer number (1137637332).

Almost surely, 2^20054500125 is an apocalyptic number.

20054500125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20054500125 is a deficient number, since it is larger than the sum of its proper divisors (16349894499).

20054500125 is a wasteful number, since it uses less digits than its factorization.

20054500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861726 (or 4861716 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 20054500125 in words is "twenty billion, fifty-four million, five hundred thousand, one hundred twenty-five".