220732701 has 12 divisors (see below), whose sum is σ = 342361152. Its totient is φ = 126132888.

The previous prime is 220732697. The next prime is 220732703. The reversal of 220732701 is 107237022.

It is not a de Polignac number, because 220732701 - 2² = 220732697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220732703) by changing a digit.

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, 750645 + ... + 750938.

It is an arithmetic number, because the mean of its divisors is an integer number (28530096).

Almost surely, 2^220732701 is an apocalyptic number.

220732701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220732701 is a deficient number, since it is larger than the sum of its proper divisors (121628451).

220732701 is a wasteful number, since it uses less digits than its factorization.

220732701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501600 (or 1501593 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 220732701 is about 14857.0757889970. The cubic root of 220732701 is about 604.3505094260.

Adding to 220732701 its reverse (107237022), we get a palindrome (327969723).

The spelling of 220732701 in words is "two hundred twenty million, seven hundred thirty-two thousand, seven hundred one".