1027315220 has 24 divisors (see below), whose sum is σ = 2157969408. Its totient is φ = 410810400.

The previous prime is 1027315129. The next prime is 1027315241. The reversal of 1027315220 is 225137201.

It is a happy number.

It is a super-2 number, since 2×1027315220² = 2110753122487296800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121325 + ... + 129515.

It is an arithmetic number, because the mean of its divisors is an integer number (89915392).

Almost surely, 2^1027315220 is an apocalyptic number.

1027315220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1027315220 is an abundant number, since it is smaller than the sum of its proper divisors (1130654188).

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

1027315220 is a wasteful number, since it uses less digits than its factorization.

1027315220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471 (or 14469 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1027315220 is about 32051.7584541005. The cubic root of 1027315220 is about 1009.0234065664.

The spelling of 1027315220 in words is "one billion, twenty-seven million, three hundred fifteen thousand, two hundred twenty".