322020240 has 80 divisors (see below), whose sum is σ = 1041683328. Its totient is φ = 82137088.

The previous prime is 322020233. The next prime is 322020247. The reversal of 322020240 is 42020223.

It is an interprime number because it is at equal distance from previous prime (322020233) and next prime (322020247).

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 not an unprimeable number, because it can be changed into a prime (322020247) 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, 23649 + ... + 34688.

Almost surely, 2^322020240 is an apocalyptic number.

322020240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322020240 is an abundant number, since it is smaller than the sum of its proper divisors (719663088).

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

322020240 is a wasteful number, since it uses less digits than its factorization.

322020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58376 (or 58370 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 322020240 is about 17944.9224016154. The cubic root of 322020240 is about 685.4267609041.

Adding to 322020240 its reverse (42020223), we get a palindrome (364040463).

The spelling of 322020240 in words is "three hundred twenty-two million, twenty thousand, two hundred forty".