33342120220 has 12 divisors (see below), whose sum is σ = 70018452504. Its totient is φ = 13336848080.

The previous prime is 33342120191. The next prime is 33342120221. The reversal of 33342120220 is 2202124333.

It is a super-2 number, since 2×33342120220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33342120191 and 33342120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33342120221) 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, 833552986 + ... + 833553025.

It is an arithmetic number, because the mean of its divisors is an integer number (5834871042).

Almost surely, 2^33342120220 is an apocalyptic number.

It is an amenable number.

33342120220 is an abundant number, since it is smaller than the sum of its proper divisors (36676332284).

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

33342120220 is a wasteful number, since it uses less digits than its factorization.

33342120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667106020 (or 1667106018 counting only the distinct ones).

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

Adding to 33342120220 its reverse (2202124333), we get a palindrome (35544244553).

The spelling of 33342120220 in words is "thirty-three billion, three hundred forty-two million, one hundred twenty thousand, two hundred twenty".