20130203330 has 16 divisors (see below), whose sum is σ = 36730728504. Its totient is φ = 7941778560.

The previous prime is 20130203273. The next prime is 20130203351. The reversal of 20130203330 is 3330203102.

It can be written as a sum of positive squares in 4 ways, for example, as 15878772121 + 4251431209 = 126011^2 + 65203^2 .

It is a super-2 number, since 2×20130203330² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20130203299 and 20130203308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13787081 + ... + 13788540.

Almost surely, 2^20130203330 is an apocalyptic number.

20130203330 is a deficient number, since it is larger than the sum of its proper divisors (16600525174).

20130203330 is a wasteful number, since it uses less digits than its factorization.

20130203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27575701.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20130203330 its reverse (3330203102), we get a palindrome (23460406432).

The spelling of 20130203330 in words is "twenty billion, one hundred thirty million, two hundred three thousand, three hundred thirty".