20303031322 has 24 divisors (see below), whose sum is σ = 35434182240. Its totient is φ = 8699465880.

The previous prime is 20303031313. The next prime is 20303031361. The reversal of 20303031322 is 22313030302.

It is a happy number.

It is a super-2 number, since 2×20303031322² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20303031322.

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 11 ways as a sum of consecutive naturals, for example, 511947 + ... + 550177.

It is an arithmetic number, because the mean of its divisors is an integer number (1476424260).

Almost surely, 2^20303031322 is an apocalyptic number.

20303031322 is a deficient number, since it is larger than the sum of its proper divisors (15131150918).

20303031322 is a wasteful number, since it uses less digits than its factorization.

20303031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43666 (or 43659 counting only the distinct ones).

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

Adding to 20303031322 its reverse (22313030302), we get a palindrome (42616061624).

The spelling of 20303031322 in words is "twenty billion, three hundred three million, thirty-one thousand, three hundred twenty-two".