20002332 has 48 divisors (see below), whose sum is σ = 53625600. Its totient is φ = 5684352.

The previous prime is 20002331. The next prime is 20002337. The reversal of 20002332 is 23320002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18544 + ... + 19592.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^20002332 is an apocalyptic number.

It is an amenable number.

20002332 is an abundant number, since it is smaller than the sum of its proper divisors (33623268).

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

20002332 is a wasteful number, since it uses less digits than its factorization.

20002332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20002332 is about 4472.3966729260. The cubic root of 20002332 is about 271.4523112859.

Adding to 20002332 its reverse (23320002), we get a palindrome (43322334).

The spelling of 20002332 in words is "twenty million, two thousand, three hundred thirty-two".