33320377325 has 12 divisors (see below), whose sum is σ = 41883260148. Its totient is φ = 26291145600.

The previous prime is 33320377313. The next prime is 33320377351. The reversal of 33320377325 is 52377302333.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2348953156 + 30971424169 = 48466^2 + 175987^2 .

It is not a de Polignac number, because 33320377325 - 2⁴ = 33320377309 is a prime.

It is a super-2 number, since 2×33320377325² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9127046 + ... + 9130695.

It is an arithmetic number, because the mean of its divisors is an integer number (3490271679).

Almost surely, 2^33320377325 is an apocalyptic number.

It is an amenable number.

33320377325 is a deficient number, since it is larger than the sum of its proper divisors (8562882823).

33320377325 is a wasteful number, since it uses less digits than its factorization.

33320377325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18257824 (or 18257819 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 38.

Adding to 33320377325 its reverse (52377302333), we get a palindrome (85697679658).

The spelling of 33320377325 in words is "thirty-three billion, three hundred twenty million, three hundred seventy-seven thousand, three hundred twenty-five".