220769984 has 14 divisors (see below), whose sum is σ = 438090564. Its totient is φ = 110384960.

The previous prime is 220769897. The next prime is 220769993. The reversal of 220769984 is 489967022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724702 + ... + 1724829.

Almost surely, 2^220769984 is an apocalyptic number.

It is an amenable number.

220769984 is a deficient number, since it is larger than the sum of its proper divisors (217320580).

220769984 is an equidigital number, since it uses as much as digits as its factorization.

220769984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449543 (or 3449533 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 220769984 is about 14858.3304580293. The cubic root of 220769984 is about 604.3845335821.

The spelling of 220769984 in words is "two hundred twenty million, seven hundred sixty-nine thousand, nine hundred eighty-four".