20011031322 has 16 divisors (see below), whose sum is σ = 40135443840. Its totient is φ = 6651446912.

The previous prime is 20011031311. The next prime is 20011031333. The reversal of 20011031322 is 22313011002.

It is an interprime number because it is at equal distance from previous prime (20011031311) and next prime (20011031333).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4721922 + ... + 4726157.

It is an arithmetic number, because the mean of its divisors is an integer number (2508465240).

Almost surely, 2^20011031322 is an apocalyptic number.

20011031322 is an abundant number, since it is smaller than the sum of its proper divisors (20124412518).

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

20011031322 is a wasteful number, since it uses less digits than its factorization.

20011031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448437.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20011031322 its reverse (22313011002), we get a palindrome (42324042324).

The spelling of 20011031322 in words is "twenty billion, eleven million, thirty-one thousand, three hundred twenty-two".