33222222020 has 96 divisors (see below), whose sum is σ = 77331614976. Its totient is φ = 11912947200.

The previous prime is 33222221971. The next prime is 33222222029. The reversal of 33222222020 is 2022222233.

It is a super-2 number, since 2×33222222020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33222221983 and 33222222001.

It is not an unprimeable number, because it can be changed into a prime (33222222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1223390 + ... + 1250250.

It is an arithmetic number, because the mean of its divisors is an integer number (805537656).

Almost surely, 2^33222222020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33222222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38665807488).

33222222020 is an abundant number, since it is smaller than the sum of its proper divisors (44109392956).

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

33222222020 is a wasteful number, since it uses less digits than its factorization.

33222222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021 (or 27019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 33222222020 its reverse (2022222233), we get a palindrome (35244444253).

The spelling of 33222222020 in words is "thirty-three billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty".