133222232020 has 12 divisors (see below), whose sum is σ = 279766687284. Its totient is φ = 53288892800.

The previous prime is 133222232009. The next prime is 133222232021. The reversal of 133222232020 is 20232222331.

It can be written as a sum of positive squares in 2 ways, for example, as 23434711056 + 109787520964 = 153084^2 + 331342^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133222231982 and 133222232000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222232021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3330555781 + ... + 3330555820.

It is an arithmetic number, because the mean of its divisors is an integer number (23313890607).

Almost surely, 2^133222232020 is an apocalyptic number.

133222232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133222232020 is an abundant number, since it is smaller than the sum of its proper divisors (146544455264).

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

133222232020 is a wasteful number, since it uses less digits than its factorization.

133222232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661111610 (or 6661111608 counting only the distinct ones).

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

Adding to 133222232020 its reverse (20232222331), we get a palindrome (153454454351).

The spelling of 133222232020 in words is "one hundred thirty-three billion, two hundred twenty-two million, two hundred thirty-two thousand, twenty".