33320442401 has 16 divisors (see below), whose sum is σ = 35624945664. Its totient is φ = 31091688144.

The previous prime is 33320442383. The next prime is 33320442409. The reversal of 33320442401 is 10424402333.

It is not a de Polignac number, because 33320442401 - 2¹⁰ = 33320441377 is a prime.

It is a super-2 number, since 2×33320442401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33320442409) 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, 281666 + ... + 382068.

It is an arithmetic number, because the mean of its divisors is an integer number (2226559104).

Almost surely, 2^33320442401 is an apocalyptic number.

It is an amenable number.

33320442401 is a deficient number, since it is larger than the sum of its proper divisors (2304503263).

33320442401 is a wasteful number, since it uses less digits than its factorization.

33320442401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100780.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33320442401 its reverse (10424402333), we get a palindrome (43744844734).

The spelling of 33320442401 in words is "thirty-three billion, three hundred twenty million, four hundred forty-two thousand, four hundred one".