20002031322 has 128 divisors (see below), whose sum is σ = 51327682560. Its totient is φ = 5053950720.

The previous prime is 20002031303. The next prime is 20002031323. The reversal of 20002031322 is 22313020002.

It is not an unprimeable number, because it can be changed into a prime (20002031323) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2069433 + ... + 2079075.

It is an arithmetic number, because the mean of its divisors is an integer number (400997520).

Almost surely, 2^20002031322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002031322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25663841280).

20002031322 is an abundant number, since it is smaller than the sum of its proper divisors (31325651238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002031322 is a wasteful number, since it uses less digits than its factorization.

20002031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9828.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20002031322 its reverse (22313020002), we get a palindrome (42315051324).

The spelling of 20002031322 in words is "twenty billion, two million, thirty-one thousand, three hundred twenty-two".