20330131222 has 16 divisors (see below), whose sum is σ = 31331774592. Its totient is φ = 9886423680.

The previous prime is 20330131189. The next prime is 20330131223. The reversal of 20330131222 is 22213103302.

It is a self number, because there is not a number n which added to its sum of digits gives 20330131222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138718 + ... + 244750.

It is an arithmetic number, because the mean of its divisors is an integer number (1958235912).

Almost surely, 2^20330131222 is an apocalyptic number.

20330131222 is a deficient number, since it is larger than the sum of its proper divisors (11001643370).

20330131222 is a wasteful number, since it uses less digits than its factorization.

20330131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108663.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20330131222 its reverse (22213103302), we get a palindrome (42543234524).

The spelling of 20330131222 in words is "twenty billion, three hundred thirty million, one hundred thirty-one thousand, two hundred twenty-two".