20148322 has 16 divisors (see below), whose sum is σ = 33197760. Its totient is φ = 9128592.

The previous prime is 20148269. The next prime is 20148329. The reversal of 20148322 is 22384102.

It is a junction number, because it is equal to n+sod(n) for n = 20148293 and 20148302.

It is not an unprimeable number, because it can be changed into a prime (20148329) 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 in 7 ways as a sum of consecutive naturals, for example, 10653 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (2074860).

Almost surely, 2^20148322 is an apocalyptic number.

20148322 is a deficient number, since it is larger than the sum of its proper divisors (13049438).

20148322 is a wasteful number, since it uses less digits than its factorization.

20148322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23097.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20148322 is about 4488.6882270882. The cubic root of 20148322 is about 272.1111227763. Note that the first 4 decimals are identical.

The spelling of 20148322 in words is "twenty million, one hundred forty-eight thousand, three hundred twenty-two".