20102104311 has 16 divisors (see below), whose sum is σ = 27350866944. Its totient is φ = 13128156704.

The previous prime is 20102104289. The next prime is 20102104313. The reversal of 20102104311 is 11340120102.

It is a cyclic number.

It is not a de Polignac number, because 20102104311 - 2⁵ = 20102104279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102104313) 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, 5170 + ... + 200576.

It is an arithmetic number, because the mean of its divisors is an integer number (1709429184).

Almost surely, 2^20102104311 is an apocalyptic number.

20102104311 is a deficient number, since it is larger than the sum of its proper divisors (7248762633).

20102104311 is a wasteful number, since it uses less digits than its factorization.

20102104311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196110.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20102104311 its reverse (11340120102), we get a palindrome (31442224413).

The spelling of 20102104311 in words is "twenty billion, one hundred two million, one hundred four thousand, three hundred eleven".