33310220242 has 8 divisors (see below), whose sum is σ = 53808817356. Its totient is φ = 15373947792.

The previous prime is 33310220239. The next prime is 33310220243. The reversal of 33310220242 is 24202201333.

It can be written as a sum of positive squares in 2 ways, for example, as 31176611761 + 2133608481 = 176569^2 + 46191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33310220242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33310220243) 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, 640581133 + ... + 640581184.

Almost surely, 2^33310220242 is an apocalyptic number.

33310220242 is a deficient number, since it is larger than the sum of its proper divisors (20498597114).

33310220242 is a wasteful number, since it uses less digits than its factorization.

33310220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281162332.

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

Adding to 33310220242 its reverse (24202201333), we get a palindrome (57512421575).

The spelling of 33310220242 in words is "thirty-three billion, three hundred ten million, two hundred twenty thousand, two hundred forty-two".