20020112322 has 128 divisors (see below), whose sum is σ = 49397465088. Its totient is φ = 5279385600.

The previous prime is 20020112317. The next prime is 20020112327. The reversal of 20020112322 is 22321102002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20020112317) and next prime (20020112327).

It is not an unprimeable number, because it can be changed into a prime (20020112327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9954297 + ... + 9956307.

It is an arithmetic number, because the mean of its divisors is an integer number (385917696).

Almost surely, 2^20020112322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020112322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24698732544).

20020112322 is an abundant number, since it is smaller than the sum of its proper divisors (29377352766).

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

20020112322 is a wasteful number, since it uses less digits than its factorization.

20020112322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20020112322 its reverse (22321102002), we get a palindrome (42341214324).

The spelling of 20020112322 in words is "twenty billion, twenty million, one hundred twelve thousand, three hundred twenty-two".