20204130442011 has 4 divisors (see below), whose sum is σ = 26938840589352. Its totient is φ = 13469420294672.

The previous prime is 20204130442009. The next prime is 20204130442043. The reversal of 20204130442011 is 11024403140202.

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 20204130442011 - 2¹ = 20204130442009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20204130442051) 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, 3367355073666 + ... + 3367355073671.

It is an arithmetic number, because the mean of its divisors is an integer number (6734710147338).

Almost surely, 2^{20204130442011} is an apocalyptic number.

20204130442011 is a deficient number, since it is larger than the sum of its proper divisors (6734710147341).

20204130442011 is an equidigital number, since it uses as much as digits as its factorization.

20204130442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734710147340.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20204130442011 its reverse (11024403140202), we get a palindrome (31228533582213).

The spelling of 20204130442011 in words is "twenty trillion, two hundred four billion, one hundred thirty million, four hundred forty-two thousand, eleven".