20032231330 has 16 divisors (see below), whose sum is σ = 36062525880. Its totient is φ = 8011890432.

The previous prime is 20032231283. The next prime is 20032231361. The reversal of 20032231330 is 3313223002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19949585049 + 82646281 = 141243^2 + 9091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20032231298 and 20032231307.

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, 38439 + ... + 203818.

Almost surely, 2^20032231330 is an apocalyptic number.

20032231330 is a deficient number, since it is larger than the sum of its proper divisors (16030294550).

20032231330 is a wasteful number, since it uses less digits than its factorization.

20032231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250533.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20032231330 its reverse (3313223002), we get a palindrome (23345454332).

The spelling of 20032231330 in words is "twenty billion, thirty-two million, two hundred thirty-one thousand, three hundred thirty".