427036220 has 24 divisors (see below), whose sum is σ = 965759424. Its totient is φ = 157674816.

The previous prime is 427036199. The next prime is 427036231. The reversal of 427036220 is 22630724.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 427036220.

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, 820964 + ... + 821483.

It is an arithmetic number, because the mean of its divisors is an integer number (40239976).

Almost surely, 2^427036220 is an apocalyptic number.

It is an amenable number.

427036220 is an abundant number, since it is smaller than the sum of its proper divisors (538723204).

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

427036220 is a wasteful number, since it uses less digits than its factorization.

427036220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642469 (or 1642467 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 427036220 is about 20664.8547055139. The cubic root of 427036220 is about 753.0461122584.

Adding to 427036220 its reverse (22630724), we get a palindrome (449666944).

The spelling of 427036220 in words is "four hundred twenty-seven million, thirty-six thousand, two hundred twenty".