20223834 has 8 divisors (see below), whose sum is σ = 40447680. Its totient is φ = 6741276.

The previous prime is 20223787. The next prime is 20223839. The reversal of 20223834 is 43832202.

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

20223834 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20223839) 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, 1685314 + ... + 1685325.

It is an arithmetic number, because the mean of its divisors is an integer number (5055960).

Almost surely, 2^20223834 is an apocalyptic number.

20223834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20223834 is a wasteful number, since it uses less digits than its factorization.

20223834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370644.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20223834 is about 4497.0917268831. The cubic root of 20223834 is about 272.4506388722.

The spelling of 20223834 in words is "twenty million, two hundred twenty-three thousand, eight hundred thirty-four".