20125474234740 has 96 divisors (see below), whose sum is σ = 71557241736960. Its totient is φ = 4600108395648.

The previous prime is 20125474234699. The next prime is 20125474234751. The reversal of 20125474234740 is 4743247452102.

20125474234740 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 547 + 4 + 2 + 34 + 74 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2662095987 + ... + 2662103546.

It is an arithmetic number, because the mean of its divisors is an integer number (745387934760).

Almost surely, 2^{20125474234740} is an apocalyptic number.

20125474234740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20125474234740 is an abundant number, since it is smaller than the sum of its proper divisors (51431767502220).

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

20125474234740 is a wasteful number, since it uses less digits than its factorization.

20125474234740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324199558 (or 5324199550 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 45.

The spelling of 20125474234740 in words is "twenty trillion, one hundred twenty-five billion, four hundred seventy-four million, two hundred thirty-four thousand, seven hundred forty".