22222011022020 has 96 divisors (see below), whose sum is σ = 69139921079040. Its totient is φ = 5925460262400.

The previous prime is 22222011021983. The next prime is 22222011022027. The reversal of 22222011022020 is 2022011022222.

22222011022020 is a `hidden beast` number, since 2 + 222 + 201 + 1 + 0 + 220 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22222011021984 and 22222011022002.

It is not an unprimeable number, because it can be changed into a prime (22222011022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6443484 + ... + 9271596.

It is an arithmetic number, because the mean of its divisors is an integer number (720207511240).

Almost surely, 2^{22222011022020} is an apocalyptic number.

22222011022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222011022020 is an abundant number, since it is smaller than the sum of its proper divisors (46917910057020).

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

22222011022020 is a wasteful number, since it uses less digits than its factorization.

22222011022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842682 (or 2842674 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22222011022020 its reverse (2022011022222), we get a palindrome (24244022044242).

The spelling of 22222011022020 in words is "twenty-two trillion, two hundred twenty-two billion, eleven million, twenty-two thousand, twenty".