20000022020000 has 240 divisors, whose sum is σ = 54207565451424. Its totient is φ = 7200720000000.

The previous prime is 20000022019997. The next prime is 20000022020003. The reversal of 20000022020000 is 2022000002.

It is an interprime number because it is at equal distance from previous prime (20000022019997) and next prime (20000022020003).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20000022020000.

It is not an unprimeable number, because it can be changed into a prime (20000022020003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21769955 + ... + 22670045.

Almost surely, 2^{20000022020000} is an apocalyptic number.

20000022020000 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 20000022020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27103782725712).

20000022020000 is an abundant number, since it is smaller than the sum of its proper divisors (34207543431424).

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

20000022020000 is a wasteful number, since it uses less digits than its factorization.

20000022020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900233 (or 900210 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20000022020000 its reverse (2022000002), we get a palindrome (20002044020002).

The spelling of 20000022020000 in words is "twenty trillion, twenty-two million, twenty thousand".