33820322294145 has 32 divisors (see below), whose sum is σ = 57459775766400. Its totient is φ = 16927832263680.

The previous prime is 33820322294119. The next prime is 33820322294149. The reversal of 33820322294145 is 54149222302833.

It is not a de Polignac number, because 33820322294145 - 2²⁹ = 33819785423233 is a prime.

It is a super-2 number, since 2×33820322294145² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33820322294094 and 33820322294103.

It is not an unprimeable number, because it can be changed into a prime (33820322294149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189923491 + ... + 190101480.

It is an arithmetic number, because the mean of its divisors is an integer number (1795617992700).

Almost surely, 2^{33820322294145} is an apocalyptic number.

It is an amenable number.

33820322294145 is a deficient number, since it is larger than the sum of its proper divisors (23639453472255).

33820322294145 is a wasteful number, since it uses less digits than its factorization.

33820322294145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380025345.

The product of its (nonzero) digits is 2488320, while the sum is 48.

Adding to 33820322294145 its reverse (54149222302833), we get a palindrome (87969544596978).

The spelling of 33820322294145 in words is "thirty-three trillion, eight hundred twenty billion, three hundred twenty-two million, two hundred ninety-four thousand, one hundred forty-five".