22020420220 has 24 divisors (see below), whose sum is σ = 47370759408. Its totient is φ = 8593334400.

The previous prime is 22020420209. The next prime is 22020420221. The reversal of 22020420220 is 2202402022.

It is a junction number, because it is equal to n+sod(n) for n = 22020420194 and 22020420203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020420221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13426266 + ... + 13427905.

It is an arithmetic number, because the mean of its divisors is an integer number (1973781642).

Almost surely, 2^22020420220 is an apocalyptic number.

22020420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020420220 is an abundant number, since it is smaller than the sum of its proper divisors (25350339188).

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

22020420220 is a wasteful number, since it uses less digits than its factorization.

22020420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26854221 (or 26854219 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22020420220 its reverse (2202402022), we get a palindrome (24222822242).

The spelling of 22020420220 in words is "twenty-two billion, twenty million, four hundred twenty thousand, two hundred twenty".