23331333032220 has 144 divisors (see below), whose sum is σ = 66646233521280. Its totient is φ = 6096849374976.

The previous prime is 23331333032201. The next prime is 23331333032233. The reversal of 23331333032220 is 2223033313332.

It is a super-2 number, since 2×23331333032220² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355698267 + ... + 355763853.

It is an arithmetic number, because the mean of its divisors is an integer number (462821066120).

Almost surely, 2^{23331333032220} is an apocalyptic number.

23331333032220 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 23331333032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33323116760640).

23331333032220 is an abundant number, since it is smaller than the sum of its proper divisors (43314900489060).

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

23331333032220 is a wasteful number, since it uses less digits than its factorization.

23331333032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66292 (or 65973 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 30.

Adding to 23331333032220 its reverse (2223033313332), we get a palindrome (25554366345552).

The spelling of 23331333032220 in words is "twenty-three trillion, three hundred thirty-one billion, three hundred thirty-three million, thirty-two thousand, two hundred twenty".