20088422 has 4 divisors (see below), whose sum is σ = 30132636. Its totient is φ = 10044210.

The previous prime is 20088391. The next prime is 20088427. The reversal of 20088422 is 22488002.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20088391 and 20088400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5022104 + ... + 5022107.

It is an arithmetic number, because the mean of its divisors is an integer number (7533159).

Almost surely, 2^20088422 is an apocalyptic number.

20088422 is a deficient number, since it is larger than the sum of its proper divisors (10044214).

20088422 is a wasteful number, since it uses less digits than its factorization.

20088422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044213.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 20088422 is about 4482.0109326060. The cubic root of 20088422 is about 271.8411973124.

The spelling of 20088422 in words is "twenty million, eighty-eight thousand, four hundred twenty-two".