220347016 has 8 divisors (see below), whose sum is σ = 413150670. Its totient is φ = 110173504.

The previous prime is 220346999. The next prime is 220347053. The reversal of 220347016 is 610743022.

It can be written as a sum of positive squares in only one way, i.e., 204776100 + 15570916 = 14310^2 + 3946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13771681 + ... + 13771696.

Almost surely, 2^220347016 is an apocalyptic number.

220347016 is the 7935-th centered heptagonal number.

It is an amenable number.

220347016 is a deficient number, since it is larger than the sum of its proper divisors (192803654).

220347016 is a wasteful number, since it uses less digits than its factorization.

220347016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27543383 (or 27543379 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 220347016 is about 14844.0902718893. The cubic root of 220347016 is about 603.9983114728.

The spelling of 220347016 in words is "two hundred twenty million, three hundred forty-seven thousand, sixteen".