20104302011 has 4 divisors (see below), whose sum is σ = 20292192792. Its totient is φ = 19916411232.

The previous prime is 20104301999. The next prime is 20104302013. The reversal of 20104302011 is 11020340102.

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 20104302011 - 2²² = 20100107707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20104302013) 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, 93945230 + ... + 93945443.

It is an arithmetic number, because the mean of its divisors is an integer number (5073048198).

Almost surely, 2^20104302011 is an apocalyptic number.

20104302011 is a deficient number, since it is larger than the sum of its proper divisors (187890781).

20104302011 is a wasteful number, since it uses less digits than its factorization.

20104302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187890780.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20104302011 its reverse (11020340102), we get a palindrome (31124642113).

The spelling of 20104302011 in words is "twenty billion, one hundred four million, three hundred two thousand, eleven".