20221342311 has 8 divisors (see below), whose sum is σ = 27619394544. Its totient is φ = 13152092480.

The previous prime is 20221342303. The next prime is 20221342313. The reversal of 20221342311 is 11324312202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20221342311 - 2³ = 20221342303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221342313) 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 7 ways as a sum of consecutive naturals, for example, 82200456 + ... + 82200701.

It is an arithmetic number, because the mean of its divisors is an integer number (3452424318).

Almost surely, 2^20221342311 is an apocalyptic number.

20221342311 is a deficient number, since it is larger than the sum of its proper divisors (7398052233).

20221342311 is a wasteful number, since it uses less digits than its factorization.

20221342311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164401201.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20221342311 its reverse (11324312202), we get a palindrome (31545654513).

The spelling of 20221342311 in words is "twenty billion, two hundred twenty-one million, three hundred forty-two thousand, three hundred eleven".