33413334423220 has 24 divisors (see below), whose sum is σ = 70168411923624. Its totient is φ = 13365255743616.

The previous prime is 33413334423197. The next prime is 33413334423307. The reversal of 33413334423220 is 2232443331433.

It can be written as a sum of positive squares in 4 ways, for example, as 11635002864144 + 21778331559076 = 3411012^2 + 4666726^2 .

It is a super-2 number, since 2×33413334423220² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33413334423220.

It is a congruent number.

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, 1301139 + ... + 8277658.

It is an arithmetic number, because the mean of its divisors is an integer number (2923683830151).

Almost surely, 2^{33413334423220} is an apocalyptic number.

It is an amenable number.

33413334423220 is an abundant number, since it is smaller than the sum of its proper divisors (36755077500404).

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

33413334423220 is a wasteful number, since it uses less digits than its factorization.

33413334423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753219 (or 9753217 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 33413334423220 its reverse (2232443331433), we get a palindrome (35645777754653).

The spelling of 33413334423220 in words is "thirty-three trillion, four hundred thirteen billion, three hundred thirty-four million, four hundred twenty-three thousand, two hundred twenty".