34020320402 has 16 divisors (see below), whose sum is σ = 51495183000. Its totient is φ = 16855802880.

The previous prime is 34020320381. The next prime is 34020320417. The reversal of 34020320402 is 20402302043.

It can be written as a sum of positive squares in 4 ways, for example, as 17883445441 + 16136874961 = 133729^2 + 127031^2 .

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 7 ways as a sum of consecutive naturals, for example, 10127 + ... + 261042.

Almost surely, 2^34020320402 is an apocalyptic number.

34020320402 is a deficient number, since it is larger than the sum of its proper divisors (17474862598).

34020320402 is a wasteful number, since it uses less digits than its factorization.

34020320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271741.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 34020320402 its reverse (20402302043), we get a palindrome (54422622445).

The spelling of 34020320402 in words is "thirty-four billion, twenty million, three hundred twenty thousand, four hundred two".