220847996 has 6 divisors (see below), whose sum is σ = 386484000. Its totient is φ = 110423996.

The previous prime is 220847993. The next prime is 220848007. The reversal of 220847996 is 699748022.

It is a self number, because there is not a number n which added to its sum of digits gives 220847996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220847993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27605996 + ... + 27606003.

It is an arithmetic number, because the mean of its divisors is an integer number (64414000).

Almost surely, 2^220847996 is an apocalyptic number.

It is an amenable number.

220847996 is a deficient number, since it is larger than the sum of its proper divisors (165636004).

220847996 is a wasteful number, since it uses less digits than its factorization.

220847996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55212003 (or 55212001 counting only the distinct ones).

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

The square root of 220847996 is about 14860.9554201606. The cubic root of 220847996 is about 604.4557142937.

The spelling of 220847996 in words is "two hundred twenty million, eight hundred forty-seven thousand, nine hundred ninety-six".