1085204022220 has 24 divisors (see below), whose sum is σ = 2278948014000. Its totient is φ = 434077881792.

The previous prime is 1085204022209. The next prime is 1085204022281. The reversal of 1085204022220 is 222204025801.

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, 4508686 + ... + 4743274.

It is an arithmetic number, because the mean of its divisors is an integer number (94956167250).

Almost surely, 2^{1085204022220} is an apocalyptic number.

1085204022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085204022220 is an abundant number, since it is smaller than the sum of its proper divisors (1193743991780).

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

1085204022220 is a wasteful number, since it uses less digits than its factorization.

1085204022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465897 (or 465895 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The spelling of 1085204022220 in words is "one trillion, eighty-five billion, two hundred four million, twenty-two thousand, two hundred twenty".