233321001320 has 64 divisors (see below), whose sum is σ = 578257280640. Its totient is φ = 84020256000.

The previous prime is 233321001313. The next prime is 233321001383. The reversal of 233321001320 is 23100123332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 233321001292 and 233321001301.

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, 2528831 + ... + 2619470.

It is an arithmetic number, because the mean of its divisors is an integer number (9035270010).

Almost surely, 2^233321001320 is an apocalyptic number.

233321001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233321001320 is an abundant number, since it is smaller than the sum of its proper divisors (344936279320).

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

233321001320 is a wasteful number, since it uses less digits than its factorization.

233321001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148426 (or 5148422 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 233321001320 its reverse (23100123332), we get a palindrome (256421124652).

The spelling of 233321001320 in words is "two hundred thirty-three billion, three hundred twenty-one million, one thousand, three hundred twenty".