20002110321 has 16 divisors (see below), whose sum is σ = 27195494400. Its totient is φ = 13072966608.

The previous prime is 20002110281. The next prime is 20002110361. The reversal of 20002110321 is 12301120002.

It is an interprime number because it is at equal distance from previous prime (20002110281) and next prime (20002110361).

It is not a de Polignac number, because 20002110321 - 2²¹ = 20000013169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002110297 and 20002110306.

It is not an unprimeable number, because it can be changed into a prime (20002110361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89001 + ... + 218918.

It is an arithmetic number, because the mean of its divisors is an integer number (1699718400).

Almost surely, 2^20002110321 is an apocalyptic number.

It is an amenable number.

20002110321 is a deficient number, since it is larger than the sum of its proper divisors (7193384079).

20002110321 is a wasteful number, since it uses less digits than its factorization.

20002110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308348.

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

Adding to 20002110321 its reverse (12301120002), we get a palindrome (32303230323).

The spelling of 20002110321 in words is "twenty billion, two million, one hundred ten thousand, three hundred twenty-one".