33450364220 has 48 divisors (see below), whose sum is σ = 86456330688. Its totient is φ = 10586488320.

The previous prime is 33450364147. The next prime is 33450364229. The reversal of 33450364220 is 2246305433.

It is a super-2 number, since 2×33450364220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33450364229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9187841 + ... + 9191480.

It is an arithmetic number, because the mean of its divisors is an integer number (1801173556).

Almost surely, 2^33450364220 is an apocalyptic number.

It is an amenable number.

33450364220 is an abundant number, since it is smaller than the sum of its proper divisors (53005966468).

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

33450364220 is a wasteful number, since it uses less digits than its factorization.

33450364220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18379350 (or 18379348 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 33450364220 its reverse (2246305433), we get a palindrome (35696669653).

The spelling of 33450364220 in words is "thirty-three billion, four hundred fifty million, three hundred sixty-four thousand, two hundred twenty".