85804012220 has 12 divisors (see below), whose sum is σ = 180188425704. Its totient is φ = 34321604880.

The previous prime is 85804012219. The next prime is 85804012237. The reversal of 85804012220 is 2221040858.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145100286 + ... + 2145100325.

It is an arithmetic number, because the mean of its divisors is an integer number (15015702142).

Almost surely, 2^85804012220 is an apocalyptic number.

It is an amenable number.

85804012220 is an abundant number, since it is smaller than the sum of its proper divisors (94384413484).

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

85804012220 is a wasteful number, since it uses less digits than its factorization.

85804012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290200620 (or 4290200618 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The spelling of 85804012220 in words is "eighty-five billion, eight hundred four million, twelve thousand, two hundred twenty".