33220066316 has 24 divisors (see below), whose sum is σ = 61591400640. Its totient is φ = 15623684352.

The previous prime is 33220066301. The next prime is 33220066339. The reversal of 33220066316 is 61366002233.

It is a super-2 number, since 2×33220066316² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29156 + ... + 259403.

It is an arithmetic number, because the mean of its divisors is an integer number (2566308360).

Almost surely, 2^33220066316 is an apocalyptic number.

It is an amenable number.

33220066316 is a deficient number, since it is larger than the sum of its proper divisors (28371334324).

33220066316 is a wasteful number, since it uses less digits than its factorization.

33220066316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290273 (or 290271 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 33220066316 its reverse (61366002233), we get a palindrome (94586068549).

The spelling of 33220066316 in words is "thirty-three billion, two hundred twenty million, sixty-six thousand, three hundred sixteen".