220101632 has 22 divisors (see below), whose sum is σ = 439990368. Its totient is φ = 110050304.

The previous prime is 220101589. The next prime is 220101647. The reversal of 220101632 is 236101022.

It is a self number, because there is not a number n which added to its sum of digits gives 220101632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106448 + ... + 108495.

Almost surely, 2^220101632 is an apocalyptic number.

It is an amenable number.

220101632 is a deficient number, since it is larger than the sum of its proper divisors (219888736).

220101632 is an equidigital number, since it uses as much as digits as its factorization.

220101632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214963 (or 214945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 220101632 is about 14835.8225926303. The cubic root of 220101632 is about 603.7740189368.

Adding to 220101632 its reverse (236101022), we get a palindrome (456202654).

The spelling of 220101632 in words is "two hundred twenty million, one hundred one thousand, six hundred thirty-two".