220385701 has 16 divisors (see below), whose sum is σ = 237968640. Its totient is φ = 203575680.

The previous prime is 220385699. The next prime is 220385717. The reversal of 220385701 is 107583022.

It is a cyclic number.

It is not a de Polignac number, because 220385701 - 2¹ = 220385699 is a prime.

It is a super-2 number, since 2×220385701² = 97139714410522802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220385701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220380701) 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 15 ways as a sum of consecutive naturals, for example, 95995 + ... + 98263.

It is an arithmetic number, because the mean of its divisors is an integer number (14873040).

Almost surely, 2^220385701 is an apocalyptic number.

It is an amenable number.

220385701 is a deficient number, since it is larger than the sum of its proper divisors (17582939).

220385701 is a wasteful number, since it uses less digits than its factorization.

220385701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 220385701 is about 14845.3932585163. The cubic root of 220385701 is about 604.0336561878.

The spelling of 220385701 in words is "two hundred twenty million, three hundred eighty-five thousand, seven hundred one".