20043271458 has 96 divisors (see below), whose sum is σ = 50802785280. Its totient is φ = 5592958560.

The previous prime is 20043271453. The next prime is 20043271459. The reversal of 20043271458 is 85417234002.

It is a happy number.

20043271458 is a `hidden beast` number, since 200 + 432 + 7 + 14 + 5 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20043271453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 946753 + ... + 967691.

It is an arithmetic number, because the mean of its divisors is an integer number (529195680).

Almost surely, 2^20043271458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20043271458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25401392640).

20043271458 is an abundant number, since it is smaller than the sum of its proper divisors (30759513822).

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

20043271458 is a wasteful number, since it uses less digits than its factorization.

20043271458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132 (or 21129 counting only the distinct ones).

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

The spelling of 20043271458 in words is "twenty billion, forty-three million, two hundred seventy-one thousand, four hundred fifty-eight".