23321241220 has 12 divisors (see below), whose sum is σ = 48974606604. Its totient is φ = 9328496480.

The previous prime is 23321241191. The next prime is 23321241227. The reversal of 23321241220 is 2214212332.

It can be written as a sum of positive squares in 2 ways, for example, as 5309453956 + 18011787264 = 72866^2 + 134208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23321241191 and 23321241200.

It is not an unprimeable number, because it can be changed into a prime (23321241227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583031011 + ... + 583031050.

It is an arithmetic number, because the mean of its divisors is an integer number (4081217217).

Almost surely, 2^23321241220 is an apocalyptic number.

23321241220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321241220 is an abundant number, since it is smaller than the sum of its proper divisors (25653365384).

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

23321241220 is a wasteful number, since it uses less digits than its factorization.

23321241220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166062070 (or 1166062068 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23321241220 its reverse (2214212332), we get a palindrome (25535453552).

The spelling of 23321241220 in words is "twenty-three billion, three hundred twenty-one million, two hundred forty-one thousand, two hundred twenty".