20020332 has 12 divisors (see below), whose sum is σ = 46714136. Its totient is φ = 6673440.

The previous prime is 20020331. The next prime is 20020333. The reversal of 20020332 is 23302002.

It is an interprime number because it is at equal distance from previous prime (20020331) and next prime (20020333).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1668361 = 20020332 / (2 + 0 + 0 + 2 + 0 + 3 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (20020331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834169 + ... + 834192.

Almost surely, 2^20020332 is an apocalyptic number.

It is an amenable number.

20020332 is an abundant number, since it is smaller than the sum of its proper divisors (26693804).

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

20020332 is a wasteful number, since it uses less digits than its factorization.

20020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668368 (or 1668366 counting only the distinct ones).

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

The square root of 20020332 is about 4474.4085642686. The cubic root of 20020332 is about 271.5337130722.

Adding to 20020332 its reverse (23302002), we get a palindrome (43322334).

The spelling of 20020332 in words is "twenty million, twenty thousand, three hundred thirty-two".