20203320330 has 48 divisors (see below), whose sum is σ = 52679226600. Its totient is φ = 5372106624.

The previous prime is 20203320329. The next prime is 20203320391. The reversal of 20203320330 is 3302330202.

20203320330 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 332 + 0 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20158604361 + 44715969 = 141981^2 + 6687^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290197 + ... + 353016.

Almost surely, 2^20203320330 is an apocalyptic number.

20203320330 is an abundant number, since it is smaller than the sum of its proper divisors (32475906270).

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

20203320330 is a wasteful number, since it uses less digits than its factorization.

20203320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643575 (or 643572 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20203320330 its reverse (3302330202), we get a palindrome (23505650532).

The spelling of 20203320330 in words is "twenty billion, two hundred three million, three hundred twenty thousand, three hundred thirty".