220670980 has 12 divisors (see below), whose sum is σ = 463409100. Its totient is φ = 88268384.

The previous prime is 220670963. The next prime is 220670981. The reversal of 220670980 is 89076022.

It can be written as a sum of positive squares in 2 ways, for example, as 28238596 + 192432384 = 5314^2 + 13872^2 .

It is not an unprimeable number, because it can be changed into a prime (220670981) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5516755 + ... + 5516794.

It is an arithmetic number, because the mean of its divisors is an integer number (38617425).

Almost surely, 2^220670980 is an apocalyptic number.

220670980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220670980 is an abundant number, since it is smaller than the sum of its proper divisors (242738120).

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

220670980 is a wasteful number, since it uses less digits than its factorization.

220670980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033558 (or 11033556 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 220670980 is about 14854.9984853584. The cubic root of 220670980 is about 604.2941749321.

The spelling of 220670980 in words is "two hundred twenty million, six hundred seventy thousand, nine hundred eighty".