220326464 has 28 divisors (see below), whose sum is σ = 438150000. Its totient is φ = 109926528.

The previous prime is 220326461. The next prime is 220326467. The reversal of 220326464 is 464623022.

It is an interprime number because it is at equal distance from previous prime (220326461) and next prime (220326467).

It is not an unprimeable number, because it can be changed into a prime (220326461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28487 + ... + 35385.

Almost surely, 2^220326464 is an apocalyptic number.

It is an amenable number.

220326464 is a deficient number, since it is larger than the sum of its proper divisors (217823536).

220326464 is an equidigital number, since it uses as much as digits as its factorization.

220326464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410 (or 7400 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 220326464 is about 14843.3979937210. The cubic root of 220326464 is about 603.9795323678.

Adding to 220326464 its reverse (464623022), we get a palindrome (684949486).

The spelling of 220326464 in words is "two hundred twenty million, three hundred twenty-six thousand, four hundred sixty-four".