20003122321110 has 48 divisors (see below), whose sum is σ = 52051422327840. Its totient is φ = 5329724486400.

The previous prime is 20003122321093. The next prime is 20003122321121. The reversal of 20003122321110 is 1112322130002.

20003122321110 is a `hidden beast` number, since 20 + 0 + 0 + 312 + 2 + 321 + 1 + 10 = 666.

It is a super-2 number, since 2×20003122321110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92421850 + ... + 92638029.

It is an arithmetic number, because the mean of its divisors is an integer number (1084404631830).

Almost surely, 2^{20003122321110} is an apocalyptic number.

20003122321110 is an abundant number, since it is smaller than the sum of its proper divisors (32048300006730).

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

20003122321110 is a wasteful number, since it uses less digits than its factorization.

20003122321110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185061093 (or 185061090 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20003122321110 its reverse (1112322130002), we get a palindrome (21115444451112).

The spelling of 20003122321110 in words is "twenty trillion, three billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred ten".