33122123202220 has 96 divisors (see below), whose sum is σ = 78190745859072. Its totient is φ = 11693944889088.

The previous prime is 33122123202167. The next prime is 33122123202257. The reversal of 33122123202220 is 2220232122133.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16405959 + ... + 18313921.

It is an arithmetic number, because the mean of its divisors is an integer number (814486936032).

Almost surely, 2^{33122123202220} 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 33122123202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39095372929536).

33122123202220 is an abundant number, since it is smaller than the sum of its proper divisors (45068622656852).

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

33122123202220 is a wasteful number, since it uses less digits than its factorization.

33122123202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910911 (or 1910909 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33122123202220 its reverse (2220232122133), we get a palindrome (35342355324353).

The spelling of 33122123202220 in words is "thirty-three trillion, one hundred twenty-two billion, one hundred twenty-three million, two hundred two thousand, two hundred twenty".