20320033320010 has 64 divisors (see below), whose sum is σ = 37597132681632. Its totient is φ = 7901492391936.

The previous prime is 20320033319977. The next prime is 20320033320061. The reversal of 20320033320010 is 1002333002302.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 21971836441 + 20298061483569 = 148229^2 + 4505337^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20320033320010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2963396502 + ... + 2963403358.

Almost surely, 2^{20320033320010} is an apocalyptic number.

20320033320010 is a deficient number, since it is larger than the sum of its proper divisors (17277099361622).

20320033320010 is a wasteful number, since it uses less digits than its factorization.

20320033320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12667.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20320033320010 its reverse (1002333002302), we get a palindrome (21322366322312).

The spelling of 20320033320010 in words is "twenty trillion, three hundred twenty billion, thirty-three million, three hundred twenty thousand, ten".