20020002223100 has 144 divisors (see below), whose sum is σ = 47545025673600. Its totient is φ = 7256647200000.

The previous prime is 20020002223097. The next prime is 20020002223103. The reversal of 20020002223100 is 132220002002.

It is an interprime number because it is at equal distance from previous prime (20020002223097) and next prime (20020002223103).

It is a super-2 number, since 2×20020002223100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020002223103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 580255850 + ... + 580290350.

It is an arithmetic number, because the mean of its divisors is an integer number (330173789400).

Almost surely, 2^{20020002223100} is an apocalyptic number.

20020002223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020002223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23772512836800).

20020002223100 is an abundant number, since it is smaller than the sum of its proper divisors (27525023450500).

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

20020002223100 is a wasteful number, since it uses less digits than its factorization.

20020002223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36204 (or 36197 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20020002223100 its reverse (132220002002), we get a palindrome (20152222225102).

The spelling of 20020002223100 in words is "twenty trillion, twenty billion, two million, two hundred twenty-three thousand, one hundred".