220836028 has 12 divisors (see below), whose sum is σ = 441672112. Its totient is φ = 94644000.

The previous prime is 220836019. The next prime is 220836053. The reversal of 220836028 is 820638022.

220836028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

220836028 is an admirable number.

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, 3943473 + ... + 3943528.

Almost surely, 2^220836028 is an apocalyptic number.

220836028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220836028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220836028 is a wasteful number, since it uses less digits than its factorization.

220836028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887012 (or 7887010 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 220836028 is about 14860.5527488045. The cubic root of 220836028 is about 604.4447953860. Note that the first 3 decimals are identical.

The spelling of 220836028 in words is "two hundred twenty million, eight hundred thirty-six thousand, twenty-eight".