20343222011 has 8 divisors (see below), whose sum is σ = 23252701440. Its totient is φ = 17434568808.

The previous prime is 20343221971. The next prime is 20343222061. The reversal of 20343222011 is 11022234302.

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 20343222011 - 2⁶ = 20343221947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20343222061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152861 + ... + 253086.

It is an arithmetic number, because the mean of its divisors is an integer number (2906587680).

Almost surely, 2^20343222011 is an apocalyptic number.

20343222011 is a deficient number, since it is larger than the sum of its proper divisors (2909479429).

20343222011 is an equidigital number, since it uses as much as digits as its factorization.

20343222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413113.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20343222011 its reverse (11022234302), we get a palindrome (31365456313).

The spelling of 20343222011 in words is "twenty billion, three hundred forty-three million, two hundred twenty-two thousand, eleven".