232133402020 has 72 divisors (see below), whose sum is σ = 526749814584. Its totient is φ = 85422587904.

The previous prime is 232133402009. The next prime is 232133402023. The reversal of 232133402020 is 20204331232.

It can be written as a sum of positive squares in 4 ways, for example, as 41554007104 + 190579394916 = 203848^2 + 436554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232133401982 and 232133402000.

It is not an unprimeable number, because it can be changed into a prime (232133402023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24500004 + ... + 24509476.

It is an arithmetic number, because the mean of its divisors is an integer number (7315969647).

Almost surely, 2^232133402020 is an apocalyptic number.

232133402020 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 232133402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263374907292).

232133402020 is an abundant number, since it is smaller than the sum of its proper divisors (294616412564).

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

232133402020 is a wasteful number, since it uses less digits than its factorization.

232133402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109 (or 9800 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 232133402020 its reverse (20204331232), we get a palindrome (252337733252).

The spelling of 232133402020 in words is "two hundred thirty-two billion, one hundred thirty-three million, four hundred two thousand, twenty".