33331220032401 has 12 divisors (see below), whose sum is σ = 48166276932228. Its totient is φ = 22211037356544.

The previous prime is 33331220032381. The next prime is 33331220032441. The reversal of 33331220032401 is 10423002213333.

33331220032401 is a `hidden beast` number, since 3 + 3 + 3 + 3 + 1 + 220 + 0 + 32 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15633641523600 + 17697578508801 = 3953940^2 + 4206849^2 .

It is not a de Polignac number, because 33331220032401 - 2¹⁰ = 33331220031377 is a prime.

It is a super-2 number, since 2×33331220032401² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33331220032441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 814644940 + ... + 814685853.

It is an arithmetic number, because the mean of its divisors is an integer number (4013856411019).

Almost surely, 2^{33331220032401} is an apocalyptic number.

It is an amenable number.

33331220032401 is a deficient number, since it is larger than the sum of its proper divisors (14835056899827).

33331220032401 is a wasteful number, since it uses less digits than its factorization.

33331220032401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629333072 (or 1629333069 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 33331220032401 its reverse (10423002213333), we get a palindrome (43754222245734).

The spelling of 33331220032401 in words is "thirty-three trillion, three hundred thirty-one billion, two hundred twenty million, thirty-two thousand, four hundred one".