84026220 has 48 divisors (see below), whose sum is σ = 241018848. Its totient is φ = 21859840.

The previous prime is 84026209. The next prime is 84026233. The reversal of 84026220 is 2262048.

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, 14619 + ... + 19538.

It is an arithmetic number, because the mean of its divisors is an integer number (5021226).

Almost surely, 2^84026220 is an apocalyptic number.

It is an amenable number.

84026220 is an abundant number, since it is smaller than the sum of its proper divisors (156992628).

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

84026220 is a wasteful number, since it uses less digits than its factorization.

84026220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34210 (or 34208 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 84026220 is about 9166.5816965759. The cubic root of 84026220 is about 437.9974771023.

Adding to 84026220 its reverse (2262048), we get a palindrome (86288268).

The spelling of 84026220 in words is "eighty-four million, twenty-six thousand, two hundred twenty".