220733946 has 24 divisors (see below), whose sum is σ = 481703040. Its totient is φ = 73047816.

The previous prime is 220733939. The next prime is 220733957. The reversal of 220733946 is 649337022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220733946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41610 + ... + 46613.

It is an arithmetic number, because the mean of its divisors is an integer number (20070960).

Almost surely, 2^220733946 is an apocalyptic number.

220733946 is an abundant number, since it is smaller than the sum of its proper divisors (260969094).

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

220733946 is a wasteful number, since it uses less digits than its factorization.

220733946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88370 (or 88367 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 220733946 is about 14857.1176881655. The cubic root of 220733946 is about 604.3516456645.

The spelling of 220733946 in words is "two hundred twenty million, seven hundred thirty-three thousand, nine hundred forty-six".