220686036 has 12 divisors (see below), whose sum is σ = 514934112. Its totient is φ = 73562008.

The previous prime is 220686023. The next prime is 220686041. The reversal of 220686036 is 630686022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 220685988 and 220686006.

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, 9195240 + ... + 9195263.

It is an arithmetic number, because the mean of its divisors is an integer number (42911176).

Almost surely, 2^220686036 is an apocalyptic number.

It is an amenable number.

220686036 is an abundant number, since it is smaller than the sum of its proper divisors (294248076).

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

220686036 is a wasteful number, since it uses less digits than its factorization.

220686036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18390510 (or 18390508 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 220686036 is about 14855.5052421653. The cubic root of 220686036 is about 604.3079179356.

The spelling of 220686036 in words is "two hundred twenty million, six hundred eighty-six thousand, thirty-six".