220783132 has 6 divisors (see below), whose sum is σ = 386370488. Its totient is φ = 110391564.

The previous prime is 220783109. The next prime is 220783139. The reversal of 220783132 is 231387022.

It is a self number, because there is not a number n which added to its sum of digits gives 220783132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220783139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27597888 + ... + 27597895.

Almost surely, 2^220783132 is an apocalyptic number.

It is an amenable number.

220783132 is a deficient number, since it is larger than the sum of its proper divisors (165587356).

220783132 is a wasteful number, since it uses less digits than its factorization.

220783132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55195787 (or 55195785 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 220783132 is about 14858.7728968445. The cubic root of 220783132 is about 604.3965314240.

The spelling of 220783132 in words is "two hundred twenty million, seven hundred eighty-three thousand, one hundred thirty-two".