20022430311 has 24 divisors (see below), whose sum is σ = 32120145360. Its totient is φ = 12321492768.

The previous prime is 20022430277. The next prime is 20022430321. The reversal of 20022430311 is 11303422002.

20022430311 is a `hidden beast` number, since 200 + 2 + 2 + 430 + 31 + 1 = 666.

It is not a de Polignac number, because 20022430311 - 2⁹ = 20022429799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022430321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2189436 + ... + 2198561.

It is an arithmetic number, because the mean of its divisors is an integer number (1338339390).

Almost surely, 2^20022430311 is an apocalyptic number.

20022430311 is a deficient number, since it is larger than the sum of its proper divisors (12097715049).

20022430311 is a wasteful number, since it uses less digits than its factorization.

20022430311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388032 (or 4388013 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20022430311 its reverse (11303422002), we get a palindrome (31325852313).

The spelling of 20022430311 in words is "twenty billion, twenty-two million, four hundred thirty thousand, three hundred eleven".