220326000 has 80 divisors (see below), whose sum is σ = 710350368. Its totient is φ = 58752000.

The previous prime is 220325983. The next prime is 220326013. The reversal of 220326000 is 623022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12361 + ... + 24360.

Almost surely, 2^220326000 is an apocalyptic number.

220326000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220326000 is an abundant number, since it is smaller than the sum of its proper divisors (490024368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220326000 is a wasteful number, since it uses less digits than its factorization.

220326000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36747 (or 36731 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220326000 is about 14843.3823638684. The cubic root of 220326000 is about 603.9791083808.

Adding to 220326000 its reverse (623022), we get a palindrome (220949022).

It can be divided in two parts, 2203 and 26000, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 220326000 in words is "two hundred twenty million, three hundred twenty-six thousand".