20030331322 has 16 divisors (see below), whose sum is σ = 30914637192. Its totient is φ = 9726454080.

The previous prime is 20030331313. The next prime is 20030331329. The reversal of 20030331322 is 22313303002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19613722401 + 416608921 = 140049^2 + 20411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20030331322.

It is not an unprimeable number, because it can be changed into a prime (20030331329) 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, 210133 + ... + 290200.

Almost surely, 2^20030331322 is an apocalyptic number.

20030331322 is a deficient number, since it is larger than the sum of its proper divisors (10884305870).

20030331322 is a wasteful number, since it uses less digits than its factorization.

20030331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500913.

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

Adding to 20030331322 its reverse (22313303002), we get a palindrome (42343634324).

The spelling of 20030331322 in words is "twenty billion, thirty million, three hundred thirty-one thousand, three hundred twenty-two".