20111324 has 12 divisors (see below), whose sum is σ = 35226744. Its totient is φ = 10046544.

The previous prime is 20111317. The next prime is 20111359. The reversal of 20111324 is 42311102.

It is a junction number, because it is equal to n+sod(n) for n = 20111299 and 20111308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6122 + ... + 8814.

It is an arithmetic number, because the mean of its divisors is an integer number (2935562).

Almost surely, 2^20111324 is an apocalyptic number.

It is an amenable number.

20111324 is a deficient number, since it is larger than the sum of its proper divisors (15115420).

20111324 is a wasteful number, since it uses less digits than its factorization.

20111324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20111324 is about 4484.5650848215. The cubic root of 20111324 is about 271.9444631422.

Adding to 20111324 its reverse (42311102), we get a palindrome (62422426).

The spelling of 20111324 in words is "twenty million, one hundred eleven thousand, three hundred twenty-four".