233333130331220 has 24 divisors (see below), whose sum is σ = 490039860285024. Its totient is φ = 93325578496416.

The previous prime is 233333130331199. The next prime is 233333130331307. The reversal of 233333130331220 is 22133031333332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479352914 + ... + 479839433.

It is an arithmetic number, because the mean of its divisors is an integer number (20418327511876).

Almost surely, 2^{233333130331220} is an apocalyptic number.

233333130331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233333130331220 is an abundant number, since it is smaller than the sum of its proper divisors (256706729953804).

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

233333130331220 is a wasteful number, since it uses less digits than its factorization.

233333130331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959204519 (or 959204517 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 32.

Adding to 233333130331220 its reverse (22133031333332), we get a palindrome (255466161664552).

The spelling of 233333130331220 in words is "two hundred thirty-three trillion, three hundred thirty-three billion, one hundred thirty million, three hundred thirty-one thousand, two hundred twenty".