220464801 has 16 divisors (see below), whose sum is σ = 329985600. Its totient is φ = 145459584.

The previous prime is 220464781. The next prime is 220464841. The reversal of 220464801 is 108464022.

It is not a de Polignac number, because 220464801 - 2⁹ = 220464289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (220464841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39471 + ... + 44708.

It is an arithmetic number, because the mean of its divisors is an integer number (20624100).

Almost surely, 2^220464801 is an apocalyptic number.

It is an amenable number.

220464801 is a deficient number, since it is larger than the sum of its proper divisors (109520799).

220464801 is an equidigital number, since it uses as much as digits as its factorization.

220464801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84285 (or 84279 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 220464801 is about 14848.0571456336. The cubic root of 220464801 is about 604.1059133668.

The spelling of 220464801 in words is "two hundred twenty million, four hundred sixty-four thousand, eight hundred one".