220619968804 has 9 divisors (see below), whose sum is σ = 386086589371. Its totient is φ = 110309514700.

The previous prime is 220619968787. The next prime is 220619968817. The reversal of 220619968804 is 408869916022.

The square root of 220619968804 is 469702.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 821979 + ... + 1056829.

Almost surely, 2^220619968804 is an apocalyptic number.

220619968804 is the 469702-nd square number.

It is an amenable number.

220619968804 is a deficient number, since it is larger than the sum of its proper divisors (165466620567).

220619968804 is an frugal number, since it uses more digits than its factorization.

220619968804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469706 (or 234853 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 220619968804 in words is "two hundred twenty billion, six hundred nineteen million, nine hundred sixty-eight thousand, eight hundred four".