325151220 has 48 divisors (see below), whose sum is σ = 913828608. Its totient is φ = 86382720.

The previous prime is 325151179. The next prime is 325151221. The reversal of 325151220 is 22151523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325151221) 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, 6262 + ... + 26258.

It is an arithmetic number, because the mean of its divisors is an integer number (19038096).

Almost surely, 2^325151220 is an apocalyptic number.

325151220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325151220 is an abundant number, since it is smaller than the sum of its proper divisors (588677388).

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

325151220 is a wasteful number, since it uses less digits than its factorization.

325151220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280 (or 20278 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 325151220 is about 18031.9499777478. The cubic root of 325151220 is about 687.6410518303.

The spelling of 325151220 in words is "three hundred twenty-five million, one hundred fifty-one thousand, two hundred twenty".