20042326 has 4 divisors (see below), whose sum is σ = 30063492. Its totient is φ = 10021162.

The previous prime is 20042299. The next prime is 20042327. The reversal of 20042326 is 62324002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010580 + ... + 5010583.

It is an arithmetic number, because the mean of its divisors is an integer number (7515873).

Almost surely, 2^20042326 is an apocalyptic number.

20042326 is a deficient number, since it is larger than the sum of its proper divisors (10021166).

20042326 is a wasteful number, since it uses less digits than its factorization.

20042326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021165.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20042326 is about 4476.8656446224. The cubic root of 20042326 is about 271.6331108056.

Adding to 20042326 its reverse (62324002), we get a palindrome (82366328).

The spelling of 20042326 in words is "twenty million, forty-two thousand, three hundred twenty-six".