427001131320 has 64 divisors (see below), whose sum is σ = 1281599154720. Its totient is φ = 113814011904.

The previous prime is 427001131313. The next prime is 427001131357. The reversal of 427001131320 is 23131100724.

It is a happy number.

It is a super-2 number, since 2×427001131320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568009 + ... + 1084728.

Almost surely, 2^427001131320 is an apocalyptic number.

427001131320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427001131320 is an abundant number, since it is smaller than the sum of its proper divisors (854598023400).

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

427001131320 is a wasteful number, since it uses less digits than its factorization.

427001131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654904 (or 1654900 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 427001131320 in words is "four hundred twenty-seven billion, one million, one hundred thirty-one thousand, three hundred twenty".