20054536425 has 144 divisors (see below), whose sum is σ = 44880556032. Its totient is φ = 8316259200.

The previous prime is 20054536367. The next prime is 20054536427. The reversal of 20054536425 is 52463545002.

20054536425 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 4 + 5 + 3 + 642 + 5 = 666.

It is not a de Polignac number, because 20054536425 - 2⁷ = 20054536297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20054536425.

It is not an unprimeable number, because it can be changed into a prime (20054536427) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10515322 + ... + 10517228.

It is an arithmetic number, because the mean of its divisors is an integer number (311670528).

Almost surely, 2^20054536425 is an apocalyptic number.

20054536425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20054536425 is an abundant number, since it is smaller than the sum of its proper divisors (24826019607).

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

20054536425 is a wasteful number, since it uses less digits than its factorization.

20054536425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 20054536425 in words is "twenty billion, fifty-four million, five hundred thirty-six thousand, four hundred twenty-five".