27425220 has 24 divisors (see below), whose sum is σ = 76790784. Its totient is φ = 7313376.

The previous prime is 27425219. The next prime is 27425249. The reversal of 27425220 is 2252472.

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, 228484 + ... + 228603.

It is an arithmetic number, because the mean of its divisors is an integer number (3199616).

Almost surely, 2^27425220 is an apocalyptic number.

27425220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27425220 is an abundant number, since it is smaller than the sum of its proper divisors (49365564).

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

27425220 is a wasteful number, since it uses less digits than its factorization.

27425220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457099 (or 457097 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 27425220 is about 5236.9093939078. The cubic root of 27425220 is about 301.5666928910.

Adding to 27425220 its reverse (2252472), we get a palindrome (29677692).

The spelling of 27425220 in words is "twenty-seven million, four hundred twenty-five thousand, two hundred twenty".