20002011321 has 8 divisors (see below), whose sum is σ = 26670016224. Its totient is φ = 13334340320.

The previous prime is 20002011287. The next prime is 20002011329. The reversal of 20002011321 is 12311020002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20002011321 - 2¹¹ = 20002009273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002011297 and 20002011306.

It is not an unprimeable number, because it can be changed into a prime (20002011329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 148006 + ... + 248816.

It is an arithmetic number, because the mean of its divisors is an integer number (3333752028).

Almost surely, 2^20002011321 is an apocalyptic number.

It is an amenable number.

20002011321 is a deficient number, since it is larger than the sum of its proper divisors (6668004903).

20002011321 is a wasteful number, since it uses less digits than its factorization.

20002011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166951.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20002011321 its reverse (12311020002), we get a palindrome (32313031323).

The spelling of 20002011321 in words is "twenty billion, two million, eleven thousand, three hundred twenty-one".