20200330 has 16 divisors (see below), whose sum is σ = 36770760. Its totient is φ = 7988992.

The previous prime is 20200309. The next prime is 20200337. The reversal of 20200330 is 3300202.

It can be written as a sum of positive squares in 4 ways, for example, as 5919489 + 14280841 = 2433^2 + 3779^2 .

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 (20200337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10459 + ... + 12238.

Almost surely, 2^20200330 is an apocalyptic number.

20200330 is a deficient number, since it is larger than the sum of its proper divisors (16570430).

20200330 is a wasteful number, since it uses less digits than its factorization.

20200330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793.

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

The square root of 20200330 is about 4494.4777227171. The cubic root of 20200330 is about 272.3450512078.

Adding to 20200330 its reverse (3300202), we get a palindrome (23500532).

The spelling of 20200330 in words is "twenty million, two hundred thousand, three hundred thirty".