326228020 has 24 divisors (see below), whose sum is σ = 691485984. Its totient is φ = 129270816.

The previous prime is 326228017. The next prime is 326228029. The reversal of 326228020 is 20822623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326228029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74082 + ... + 78361.

It is an arithmetic number, because the mean of its divisors is an integer number (28811916).

Almost surely, 2^326228020 is an apocalyptic number.

It is an amenable number.

326228020 is an abundant number, since it is smaller than the sum of its proper divisors (365257964).

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

326228020 is a wasteful number, since it uses less digits than its factorization.

326228020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152559 (or 152557 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 326228020 is about 18061.7834113910. The cubic root of 326228020 is about 688.3993000517.

The spelling of 326228020 in words is "three hundred twenty-six million, two hundred twenty-eight thousand, twenty".