20442234411 has 16 divisors (see below), whose sum is σ = 30288179200. Its totient is φ = 13626631944.

The previous prime is 20442234383. The next prime is 20442234413. The reversal of 20442234411 is 11443224402.

20442234411 is a `hidden beast` number, since 20 + 4 + 4 + 223 + 4 + 411 = 666.

It is not a de Polignac number, because 20442234411 - 2¹⁹ = 20441710123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20442234413) 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 15 ways as a sum of consecutive naturals, for example, 237030 + ... + 311556.

It is an arithmetic number, because the mean of its divisors is an integer number (1893011200).

Almost surely, 2^20442234411 is an apocalyptic number.

20442234411 is a deficient number, since it is larger than the sum of its proper divisors (9845944789).

20442234411 is a wasteful number, since it uses less digits than its factorization.

20442234411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84695 (or 84689 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20442234411 its reverse (11443224402), we get a palindrome (31885458813).

The spelling of 20442234411 in words is "twenty billion, four hundred forty-two million, two hundred thirty-four thousand, four hundred eleven".