20343422 has 16 divisors (see below), whose sum is σ = 33635952. Its totient is φ = 9150720.

The previous prime is 20343419. The next prime is 20343473. The reversal of 20343422 is 22434302.

It is a junction number, because it is equal to n+sod(n) for n = 20343394 and 20343403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (2102247).

Almost surely, 2^20343422 is an apocalyptic number.

20343422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20343422 is a deficient number, since it is larger than the sum of its proper divisors (13292530).

20343422 is a wasteful number, since it uses less digits than its factorization.

20343422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643.

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

The square root of 20343422 is about 4510.3682776465. The cubic root of 20343422 is about 272.9866041095.

Adding to 20343422 its reverse (22434302), we get a palindrome (42777724).

The spelling of 20343422 in words is "twenty million, three hundred forty-three thousand, four hundred twenty-two".