20020330 has 32 divisors (see below), whose sum is σ = 40383360. Its totient is φ = 7081920.

The previous prime is 20020307. The next prime is 20020331. The reversal of 20020330 is 3302002.

It is a super-2 number, since 2×20020330² = 801627226617800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 15 ways as a sum of consecutive naturals, for example, 1611 + ... + 6529.

It is an arithmetic number, because the mean of its divisors is an integer number (1261980).

Almost surely, 2^20020330 is an apocalyptic number.

20020330 is an abundant number, since it is smaller than the sum of its proper divisors (20363030).

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

20020330 is a wasteful number, since it uses less digits than its factorization.

20020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20020330 is about 4474.4083407753. The cubic root of 20020330 is about 271.5337040303.

Adding to 20020330 its reverse (3302002), we get a palindrome (23322332).

The spelling of 20020330 in words is "twenty million, twenty thousand, three hundred thirty".