23321212233220 has 48 divisors (see below), whose sum is σ = 55269079790400. Its totient is φ = 8188011816320.

The previous prime is 23321212233161. The next prime is 23321212233251. The reversal of 23321212233220 is 2233221212332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827674830 + ... + 1827687589.

It is an arithmetic number, because the mean of its divisors is an integer number (1151439162300).

Almost surely, 2^{23321212233220} is an apocalyptic number.

23321212233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321212233220 is an abundant number, since it is smaller than the sum of its proper divisors (31947867557180).

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

23321212233220 is a wasteful number, since it uses less digits than its factorization.

23321212233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655362468 (or 3655362466 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23321212233220 its reverse (2233221212332), we get a palindrome (25554433445552).

The spelling of 23321212233220 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twenty".