1322020332 has 48 divisors (see below), whose sum is σ = 3545656800. Its totient is φ = 425476800.

The previous prime is 1322020321. The next prime is 1322020339. The reversal of 1322020332 is 2330202231.

It is a happy number.

1322020332 is a `hidden beast` number, since 132 + 202 + 0 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1322020339) 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, 207919 + ... + 214182.

It is an arithmetic number, because the mean of its divisors is an integer number (73867850).

Almost surely, 2^1322020332 is an apocalyptic number.

1322020332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322020332 is an abundant number, since it is smaller than the sum of its proper divisors (2223636468).

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

1322020332 is a wasteful number, since it uses less digits than its factorization.

1322020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422143 (or 422135 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1322020332 is about 36359.5975225249. The cubic root of 1322020332 is about 1097.5206782425.

Adding to 1322020332 its reverse (2330202231), we get a palindrome (3652222563).

The spelling of 1322020332 in words is "one billion, three hundred twenty-two million, twenty thousand, three hundred thirty-two".