22023303720 has 128 divisors (see below), whose sum is σ = 72116144640. Its totient is φ = 5336029440.

The previous prime is 22023303719. The next prime is 22023303721. The reversal of 22023303720 is 2730332022.

It is an interprime number because it is at equal distance from previous prime (22023303719) and next prime (22023303721).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22023303721) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3253059 + ... + 3259821.

It is an arithmetic number, because the mean of its divisors is an integer number (563407380).

Almost surely, 2^22023303720 is an apocalyptic number.

22023303720 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 22023303720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36058072320).

22023303720 is an abundant number, since it is smaller than the sum of its proper divisors (50092840920).

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

22023303720 is a wasteful number, since it uses less digits than its factorization.

22023303720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255 (or 9251 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

Adding to 22023303720 its reverse (2730332022), we get a palindrome (24753635742).

It can be divided in two parts, 2202330 and 3720, that added together give a triangular number (2206050 = T₂₁₀₀).

The spelling of 22023303720 in words is "twenty-two billion, twenty-three million, three hundred three thousand, seven hundred twenty".