233224251420 has 48 divisors (see below), whose sum is σ = 660895724160. Its totient is φ = 61443817536.

The previous prime is 233224251413. The next prime is 233224251427. The reversal of 233224251420 is 24152422332.

It is an interprime number because it is at equal distance from previous prime (233224251413) and next prime (233224251427).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233224251427) 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, 23411110 + ... + 23421069.

It is an arithmetic number, because the mean of its divisors is an integer number (13768660920).

Almost surely, 2^233224251420 is an apocalyptic number.

233224251420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233224251420 is an abundant number, since it is smaller than the sum of its proper divisors (427671472740).

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

233224251420 is a wasteful number, since it uses less digits than its factorization.

233224251420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46832274 (or 46832272 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 233224251420 its reverse (24152422332), we get a palindrome (257376673752).

The spelling of 233224251420 in words is "two hundred thirty-three billion, two hundred twenty-four million, two hundred fifty-one thousand, four hundred twenty".