20131022330 has 32 divisors (see below), whose sum is σ = 37778171904. Its totient is φ = 7716735936.

The previous prime is 20131022323. The next prime is 20131022339. The reversal of 20131022330 is 3322013102.

It is a junction number, because it is equal to n+sod(n) for n = 20131022299 and 20131022308.

It is not an unprimeable number, because it can be changed into a prime (20131022339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418874 + ... + 464453.

It is an arithmetic number, because the mean of its divisors is an integer number (1180567872).

Almost surely, 2^20131022330 is an apocalyptic number.

20131022330 is a deficient number, since it is larger than the sum of its proper divisors (17647149574).

20131022330 is a wasteful number, since it uses less digits than its factorization.

20131022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883430.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20131022330 its reverse (3322013102), we get a palindrome (23453035432).

The spelling of 20131022330 in words is "twenty billion, one hundred thirty-one million, twenty-two thousand, three hundred thirty".