20458127232 has 192 divisors, whose sum is σ = 61543372800. Its totient is φ = 6764373504.

The previous prime is 20458127201. The next prime is 20458127273. The reversal of 20458127232 is 23272185402.

20458127232 is a `hidden beast` number, since 2 + 0 + 4 + 581 + 2 + 72 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3947619 + ... + 3952797.

It is an arithmetic number, because the mean of its divisors is an integer number (320538400).

Almost surely, 2^20458127232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20458127232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30771686400).

20458127232 is an abundant number, since it is smaller than the sum of its proper divisors (41085245568).

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

20458127232 is an equidigital number, since it uses as much as digits as its factorization.

20458127232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 20458127232 in words is "twenty billion, four hundred fifty-eight million, one hundred twenty-seven thousand, two hundred thirty-two".