20203012330 has 32 divisors (see below), whose sum is σ = 38536701264. Its totient is φ = 7599492096.

The previous prime is 20203012309. The next prime is 20203012373. The reversal of 20203012330 is 3321030202.

It can be written as a sum of positive squares in 8 ways, for example, as 13509645361 + 6693366969 = 116231^2 + 81813^2 .

It is a super-2 number, since 2×20203012330² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157224 + ... + 255196.

Almost surely, 2^20203012330 is an apocalyptic number.

20203012330 is a deficient number, since it is larger than the sum of its proper divisors (18333688934).

20203012330 is a wasteful number, since it uses less digits than its factorization.

20203012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99210.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20203012330 its reverse (3321030202), we get a palindrome (23524042532).

The spelling of 20203012330 in words is "twenty billion, two hundred three million, twelve thousand, three hundred thirty".