2000000022120 has 192 divisors, whose sum is σ = 6697050347520. Its totient is φ = 517365983232.

The previous prime is 2000000022079. The next prime is 2000000022127. The reversal of 2000000022120 is 212200000002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2000000022127) 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, 1388937 + ... + 2434983.

It is an arithmetic number, because the mean of its divisors is an integer number (34880470560).

Almost surely, 2^{2000000022120} is an apocalyptic number.

2000000022120 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 2000000022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3348525173760).

2000000022120 is an abundant number, since it is smaller than the sum of its proper divisors (4697050325400).

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

2000000022120 is a wasteful number, since it uses less digits than its factorization.

2000000022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046224 (or 1046217 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2000000022120 its reverse (212200000002), we get a palindrome (2212200022122).

The spelling of 2000000022120 in words is "two trillion, twenty-two thousand, one hundred twenty".