133022020 has 12 divisors (see below), whose sum is σ = 279346284. Its totient is φ = 53208800.

The previous prime is 133022003. The next prime is 133022053. The reversal of 133022020 is 20220331.

It is a happy number.

133022020 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 69755904 = 7954^2 + 8352^2 .

133022020 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325531 + ... + 3325570.

It is an arithmetic number, because the mean of its divisors is an integer number (23278857).

Almost surely, 2^133022020 is an apocalyptic number.

133022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133022020 is an abundant number, since it is smaller than the sum of its proper divisors (146324264).

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

133022020 is a wasteful number, since it uses less digits than its factorization.

133022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651110 (or 6651108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 133022020 is about 11533.5172432350. The cubic root of 133022020 is about 510.4750411722.

Adding to 133022020 its reverse (20220331), we get a palindrome (153242351).

The spelling of 133022020 in words is "one hundred thirty-three million, twenty-two thousand, twenty".