20013326 has 4 divisors (see below), whose sum is σ = 30019992. Its totient is φ = 10006662.

The previous prime is 20013319. The next prime is 20013347. The reversal of 20013326 is 62331002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003330 + ... + 5003333.

It is an arithmetic number, because the mean of its divisors is an integer number (7504998).

Almost surely, 2^20013326 is an apocalyptic number.

20013326 is a deficient number, since it is larger than the sum of its proper divisors (10006666).

20013326 is a wasteful number, since it uses less digits than its factorization.

20013326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006665.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20013326 is about 4473.6255989969. The cubic root of 20013326 is about 271.5020354899.

Adding to 20013326 its reverse (62331002), we get a palindrome (82344328).

The spelling of 20013326 in words is "twenty million, thirteen thousand, three hundred twenty-six".