427265220 has 48 divisors (see below), whose sum is σ = 1213204608. Its totient is φ = 112331520.

The previous prime is 427265177. The next prime is 427265261. The reversal of 427265220 is 22562724.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 45889 + ... + 54408.

It is an arithmetic number, because the mean of its divisors is an integer number (25275096).

Almost surely, 2^427265220 is an apocalyptic number.

It is an amenable number.

427265220 is an abundant number, since it is smaller than the sum of its proper divisors (785939388).

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

427265220 is a wasteful number, since it uses less digits than its factorization.

427265220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100380 (or 100378 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 427265220 is about 20670.3947712665. The cubic root of 427265220 is about 753.1806962706.

The spelling of 427265220 in words is "four hundred twenty-seven million, two hundred sixty-five thousand, two hundred twenty".