842046220 has 12 divisors (see below), whose sum is σ = 1768297104. Its totient is φ = 336818480.

The previous prime is 842046203. The next prime is 842046221. The reversal of 842046220 is 22640248.

It is not an unprimeable number, because it can be changed into a prime (842046221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21051136 + ... + 21051175.

It is an arithmetic number, because the mean of its divisors is an integer number (147358092).

Almost surely, 2^842046220 is an apocalyptic number.

It is an amenable number.

842046220 is an abundant number, since it is smaller than the sum of its proper divisors (926250884).

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

842046220 is a wasteful number, since it uses less digits than its factorization.

842046220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42102320 (or 42102318 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 842046220 is about 29018.0326693592. The cubic root of 842046220 is about 944.3043208134.

Adding to 842046220 its reverse (22640248), we get a palindrome (864686468).

The spelling of 842046220 in words is "eight hundred forty-two million, forty-six thousand, two hundred twenty".