20343042421222 has 24 divisors (see below), whose sum is σ = 30756141010008. Its totient is φ = 10091622958560.

The previous prime is 20343042421193. The next prime is 20343042421231. The reversal of 20343042421222 is 22212424034302.

It is a happy number.

It is a super-3 number, since 3×20343042421222³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159293218 + ... + 159420874.

It is an arithmetic number, because the mean of its divisors is an integer number (1281505875417).

Almost surely, 2^{20343042421222} is an apocalyptic number.

20343042421222 is a deficient number, since it is larger than the sum of its proper divisors (10413098588786).

20343042421222 is a wasteful number, since it uses less digits than its factorization.

20343042421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132564 (or 132433 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20343042421222 its reverse (22212424034302), we get a palindrome (42555466455524).

The spelling of 20343042421222 in words is "twenty trillion, three hundred forty-three billion, forty-two million, four hundred twenty-one thousand, two hundred twenty-two".