220842036 has 36 divisors (see below), whose sum is σ = 591078852. Its totient is φ = 69283584.

The previous prime is 220842007. The next prime is 220842059. The reversal of 220842036 is 630248022.

220842036 is a `hidden beast` number, since 2 + 208 + 420 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 196280100 + 24561936 = 14010^2 + 4956^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179815 + ... + 181038.

It is an arithmetic number, because the mean of its divisors is an integer number (16418857).

Almost surely, 2^220842036 is an apocalyptic number.

It is an amenable number.

220842036 is an abundant number, since it is smaller than the sum of its proper divisors (370236816).

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

220842036 is a wasteful number, since it uses less digits than its factorization.

220842036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360880 (or 360875 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 220842036 is about 14860.7548933424. The cubic root of 220842036 is about 604.4502767854.

It can be divided in two parts, 2208 and 42036, that added together give a palindrome (44244).

The spelling of 220842036 in words is "two hundred twenty million, eight hundred forty-two thousand, thirty-six".