20323850 has 24 divisors (see below), whose sum is σ = 37952928. Its totient is φ = 8097200.

The previous prime is 20323837. The next prime is 20323859. The reversal of 20323850 is 5832302.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20323859) 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 11 ways as a sum of consecutive naturals, for example, 14897 + ... + 16203.

It is an arithmetic number, because the mean of its divisors is an integer number (1581372).

Almost surely, 2^20323850 is an apocalyptic number.

20323850 is a deficient number, since it is larger than the sum of its proper divisors (17629078).

20323850 is a wasteful number, since it uses less digits than its factorization.

20323850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20323850 is about 4508.1980879283. The cubic root of 20323850 is about 272.8990310329.

The spelling of 20323850 in words is "twenty million, three hundred twenty-three thousand, eight hundred fifty".