22020000022020 has 768 divisors, whose sum is σ = 87378975129600. Its totient is φ = 3990342113280.

The previous prime is 22020000021983. The next prime is 22020000022057. The reversal of 22020000022020 is 2022000002022.

It is an interprime number because it is at equal distance from previous prime (22020000021983) and next prime (22020000022057).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22020000021987 and 22020000022005.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 418772091 + ... + 418824669.

It is an arithmetic number, because the mean of its divisors is an integer number (113774707200).

Almost surely, 2^{22020000022020} is an apocalyptic number.

22020000022020 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 22020000022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43689487564800).

22020000022020 is an abundant number, since it is smaller than the sum of its proper divisors (65358975107580).

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

22020000022020 is a wasteful number, since it uses less digits than its factorization.

22020000022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53008 (or 53006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22020000022020 its reverse (2022000002022), we get a palindrome (24042000024042).

It can be divided in two parts, 2202000002 and 2020, that added together give a palindrome (2202002022).

The spelling of 22020000022020 in words is "twenty-two trillion, twenty billion, twenty-two thousand, twenty".