20831303330 has 16 divisors (see below), whose sum is σ = 37538826624. Its totient is φ = 8323081200.

The previous prime is 20831303309. The next prime is 20831303393. The reversal of 20831303330 is 3330313802.

It is a self number, because there is not a number n which added to its sum of digits gives 20831303330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170746 + ... + 1188405.

It is an arithmetic number, because the mean of its divisors is an integer number (2346176664).

Almost surely, 2^20831303330 is an apocalyptic number.

20831303330 is a deficient number, since it is larger than the sum of its proper divisors (16707523294).

20831303330 is a wasteful number, since it uses less digits than its factorization.

20831303330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360041.

The product of its (nonzero) digits is 3888, while the sum is 26.

The spelling of 20831303330 in words is "twenty billion, eight hundred thirty-one million, three hundred three thousand, three hundred thirty".