23224424021220 has 96 divisors (see below), whose sum is σ = 71427061601280. Its totient is φ = 5612126256000.

The previous prime is 23224424021219. The next prime is 23224424021221. The reversal of 23224424021220 is 2212042442232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23224424021219) and next prime (23224424021221).

It is a super-2 number, since 2×23224424021220² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (23224424021221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442849906 + ... + 442902345.

It is an arithmetic number, because the mean of its divisors is an integer number (744031891680).

Almost surely, 2^{23224424021220} is an apocalyptic number.

23224424021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23224424021220 is an abundant number, since it is smaller than the sum of its proper divisors (48202637580060).

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

23224424021220 is a wasteful number, since it uses less digits than its factorization.

23224424021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885752305 (or 885752303 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 23224424021220 its reverse (2212042442232), we get a palindrome (25436466463452).

The spelling of 23224424021220 in words is "twenty-three trillion, two hundred twenty-four billion, four hundred twenty-four million, twenty-one thousand, two hundred twenty".