427255220 has 48 divisors (see below), whose sum is σ = 1085736960. Its totient is φ = 137869824.

The previous prime is 427255211. The next prime is 427255307. The reversal of 427255220 is 22552724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87380 + ... + 92139.

It is an arithmetic number, because the mean of its divisors is an integer number (22619520).

Almost surely, 2^427255220 is an apocalyptic number.

It is an amenable number.

427255220 is an abundant number, since it is smaller than the sum of its proper divisors (658481740).

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

427255220 is a wasteful number, since it uses less digits than its factorization.

427255220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179552 (or 179550 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 427255220 is about 20670.1528780026. The cubic root of 427255220 is about 753.1748202438.

The spelling of 427255220 in words is "four hundred twenty-seven million, two hundred fifty-five thousand, two hundred twenty".