20003023122 has 32 divisors (see below), whose sum is σ = 41393376000. Its totient is φ = 6436539648.

The previous prime is 20003023121. The next prime is 20003023163. The reversal of 20003023122 is 22132030002.

It is not an unprimeable number, because it can be changed into a prime (20003023121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594378 + ... + 1606874.

It is an arithmetic number, because the mean of its divisors is an integer number (1293543000).

Almost surely, 2^20003023122 is an apocalyptic number.

20003023122 is an abundant number, since it is smaller than the sum of its proper divisors (21390352878).

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

20003023122 is a wasteful number, since it uses less digits than its factorization.

20003023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21730.

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

Adding to 20003023122 its reverse (22132030002), we get a palindrome (42135053124).

The spelling of 20003023122 in words is "twenty billion, three million, twenty-three thousand, one hundred twenty-two".