33122020 has 12 divisors (see below), whose sum is σ = 69556284. Its totient is φ = 13248800.

The previous prime is 33122009. The next prime is 33122021. The reversal of 33122020 is 2022133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19149376 + 13972644 = 4376^2 + 3738^2 .

It is not an unprimeable number, because it can be changed into a prime (33122021) 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, 828031 + ... + 828070.

It is an arithmetic number, because the mean of its divisors is an integer number (5796357).

Almost surely, 2^33122020 is an apocalyptic number.

It is an amenable number.

33122020 is an abundant number, since it is smaller than the sum of its proper divisors (36434264).

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

33122020 is a wasteful number, since it uses less digits than its factorization.

33122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656110 (or 1656108 counting only the distinct ones).

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

The square root of 33122020 is about 5755.1733249312. The cubic root of 33122020 is about 321.1482834416.

Adding to 33122020 its reverse (2022133), we get a palindrome (35144153).

The spelling of 33122020 in words is "thirty-three million, one hundred twenty-two thousand, twenty".