20343040022 has 16 divisors (see below), whose sum is σ = 31241909952. Its totient is φ = 9929338440.

The previous prime is 20343040001. The next prime is 20343040027. The reversal of 20343040022 is 22004034302.

It is a junction number, because it is equal to n+sod(n) for n = 20343039976 and 20343040003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343040027) 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, 87497 + ... + 219867.

It is an arithmetic number, because the mean of its divisors is an integer number (1952619372).

Almost surely, 2^20343040022 is an apocalyptic number.

20343040022 is a deficient number, since it is larger than the sum of its proper divisors (10898869930).

20343040022 is a wasteful number, since it uses less digits than its factorization.

20343040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134203.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20343040022 its reverse (22004034302), we get a palindrome (42347074324).

The spelling of 20343040022 in words is "twenty billion, three hundred forty-three million, forty thousand, twenty-two".