22232302020 has 36 divisors (see below), whose sum is σ = 67437983340. Its totient is φ = 5928613824.

The previous prime is 22232302009. The next prime is 22232302031. The reversal of 22232302020 is 2020323222.

It is an interprime number because it is at equal distance from previous prime (22232302009) and next prime (22232302031).

It can be written as a sum of positive squares in 2 ways, for example, as 6568778304 + 15663523716 = 81048^2 + 125154^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 22232301984 and 22232302002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61756215 + ... + 61756574.

It is an arithmetic number, because the mean of its divisors is an integer number (1873277315).

Almost surely, 2^22232302020 is an apocalyptic number.

22232302020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232302020 is an abundant number, since it is smaller than the sum of its proper divisors (45205681320).

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

22232302020 is a wasteful number, since it uses less digits than its factorization.

22232302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123512804 (or 123512799 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22232302020 its reverse (2020323222), we get a palindrome (24252625242).

The spelling of 22232302020 in words is "twenty-two billion, two hundred thirty-two million, three hundred two thousand, twenty".