220700632 has 8 divisors (see below), whose sum is σ = 413813700. Its totient is φ = 110350312.

The previous prime is 220700621. The next prime is 220700633. The reversal of 220700632 is 236007022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220700633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13793782 + ... + 13793797.

Almost surely, 2^220700632 is an apocalyptic number.

It is an amenable number.

220700632 is a deficient number, since it is larger than the sum of its proper divisors (193113068).

220700632 is a wasteful number, since it uses less digits than its factorization.

220700632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27587585 (or 27587581 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 220700632 is about 14855.9964997303. The cubic root of 220700632 is about 604.3212404580.

Adding to 220700632 its reverse (236007022), we get a palindrome (456707654).

The spelling of 220700632 in words is "two hundred twenty million, seven hundred thousand, six hundred thirty-two".