20462422 has 8 divisors (see below), whose sum is σ = 31082400. Its totient is φ = 10101624.

The previous prime is 20462419. The next prime is 20462423. The reversal of 20462422 is 22426402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20462393 and 20462402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64597 + ... + 64912.

It is an arithmetic number, because the mean of its divisors is an integer number (3885300).

Almost surely, 2^20462422 is an apocalyptic number.

20462422 is a deficient number, since it is larger than the sum of its proper divisors (10619978).

20462422 is a wasteful number, since it uses less digits than its factorization.

20462422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129590.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 20462422 is about 4523.5408697170. The cubic root of 20462422 is about 273.5178531326.

Adding to 20462422 its reverse (22426402), we get a palindrome (42888824).

It can be divided in two parts, 204 and 62422, that added together give a palindrome (62626).

The spelling of 20462422 in words is "twenty million, four hundred sixty-two thousand, four hundred twenty-two".