233101220 has 48 divisors (see below), whose sum is σ = 535465728. Its totient is φ = 84533760.

The previous prime is 233101207. The next prime is 233101223. The reversal of 233101220 is 22101332.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 233101195 and 233101204.

It is not an unprimeable number, because it can be changed into a prime (233101223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94037 + ... + 96483.

It is an arithmetic number, because the mean of its divisors is an integer number (11155536).

Almost surely, 2^233101220 is an apocalyptic number.

233101220 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 233101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267732864).

233101220 is an abundant number, since it is smaller than the sum of its proper divisors (302364508).

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

233101220 is a wasteful number, since it uses less digits than its factorization.

233101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 233101220 is about 15267.6527338029. The cubic root of 233101220 is about 615.4340426405.

Adding to 233101220 its reverse (22101332), we get a palindrome (255202552).

The spelling of 233101220 in words is "two hundred thirty-three million, one hundred one thousand, two hundred twenty".