20132402311 has 4 divisors (see below), whose sum is σ = 23008459792. Its totient is φ = 17256344832.

The previous prime is 20132402273. The next prime is 20132402341. The reversal of 20132402311 is 11320423102.

It is a happy number.

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 20132402311 - 2⁷ = 20132402183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132402341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438028730 + ... + 1438028743.

It is an arithmetic number, because the mean of its divisors is an integer number (5752114948).

Almost surely, 2^20132402311 is an apocalyptic number.

20132402311 is a deficient number, since it is larger than the sum of its proper divisors (2876057481).

20132402311 is an equidigital number, since it uses as much as digits as its factorization.

20132402311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876057480.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20132402311 its reverse (11320423102), we get a palindrome (31452825413).

The spelling of 20132402311 in words is "twenty billion, one hundred thirty-two million, four hundred two thousand, three hundred eleven".