20530054125 has 64 divisors (see below), whose sum is σ = 43380380160. Its totient is φ = 9385156800.

The previous prime is 20530054093. The next prime is 20530054133. The reversal of 20530054125 is 52145003502.

It is a happy number.

20530054125 is a `hidden beast` number, since 2 + 0 + 530 + 0 + 5 + 4 + 125 = 666.

It is not a de Polignac number, because 20530054125 - 2⁵ = 20530054093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 410874 + ... + 458123.

It is an arithmetic number, because the mean of its divisors is an integer number (677818440).

Almost surely, 2^20530054125 is an apocalyptic number.

20530054125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20530054125 is an abundant number, since it is smaller than the sum of its proper divisors (22850326035).

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

20530054125 is an equidigital number, since it uses as much as digits as its factorization.

20530054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869028 (or 869012 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 20530054125 its reverse (52145003502), we get a palindrome (72675057627).

The spelling of 20530054125 in words is "twenty billion, five hundred thirty million, fifty-four thousand, one hundred twenty-five".