220749802 has 24 divisors (see below), whose sum is σ = 414817956. Its totient is φ = 87329088.

The previous prime is 220749773. The next prime is 220749877. The reversal of 220749802 is 208947022.

It can be written as a sum of positive squares in 2 ways, for example, as 219602761 + 1147041 = 14819^2 + 1071^2 .

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, 85363 + ... + 87910.

Almost surely, 2^220749802 is an apocalyptic number.

220749802 is a deficient number, since it is larger than the sum of its proper divisors (194068154).

220749802 is a wasteful number, since it uses less digits than its factorization.

220749802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173302 (or 173295 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 220749802 is about 14857.6512948716. The cubic root of 220749802 is about 604.3661161321.

The spelling of 220749802 in words is "two hundred twenty million, seven hundred forty-nine thousand, eight hundred two".