20100020030011 has 4 divisors (see below), whose sum is σ = 20107936543000. Its totient is φ = 20092103517024.

The previous prime is 20100020030009. The next prime is 20100020030017. The reversal of 20100020030011 is 11003002000102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20100020030011 - 2¹ = 20100020030009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20100020030011.

It is not an unprimeable number, because it can be changed into a prime (20100020030017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3958252686 + ... + 3958257763.

It is an arithmetic number, because the mean of its divisors is an integer number (5026984135750).

Almost surely, 2^{20100020030011} is an apocalyptic number.

20100020030011 is a deficient number, since it is larger than the sum of its proper divisors (7916512989).

20100020030011 is an equidigital number, since it uses as much as digits as its factorization.

20100020030011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916512988.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20100020030011 its reverse (11003002000102), we get a palindrome (31103022030113).

The spelling of 20100020030011 in words is "twenty trillion, one hundred billion, twenty million, thirty thousand, eleven".