20422043343 has 24 divisors (see below), whose sum is σ = 31775299920. Its totient is φ = 12564374400.

The previous prime is 20422043303. The next prime is 20422043359. The reversal of 20422043343 is 34334022402.

20422043343 is a `hidden beast` number, since 2 + 0 + 4 + 220 + 433 + 4 + 3 = 666.

It is not a de Polignac number, because 20422043343 - 2²⁴ = 20405266127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422043303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525403 + ... + 562931.

It is an arithmetic number, because the mean of its divisors is an integer number (1323970830).

Almost surely, 2^20422043343 is an apocalyptic number.

20422043343 is a deficient number, since it is larger than the sum of its proper divisors (11353256577).

20422043343 is a wasteful number, since it uses less digits than its factorization.

20422043343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42199 (or 42196 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20422043343 its reverse (34334022402), we get a palindrome (54756065745).

The spelling of 20422043343 in words is "twenty billion, four hundred twenty-two million, forty-three thousand, three hundred forty-three".