20001321302 has 32 divisors (see below), whose sum is σ = 30637198944. Its totient is φ = 9791891200.

The previous prime is 20001321247. The next prime is 20001321311. The reversal of 20001321302 is 20312310002.

It is a happy number.

20001321302 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6208052 + ... + 6211272.

It is an arithmetic number, because the mean of its divisors is an integer number (957412467).

Almost surely, 2^20001321302 is an apocalyptic number.

20001321302 is a deficient number, since it is larger than the sum of its proper divisors (10635877642).

20001321302 is a wasteful number, since it uses less digits than its factorization.

20001321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20001321302 its reverse (20312310002), we get a palindrome (40313631304).

The spelling of 20001321302 in words is "twenty billion, one million, three hundred twenty-one thousand, three hundred two".