20335124 has 12 divisors (see below), whose sum is σ = 35716884. Its totient is φ = 10130304.

The previous prime is 20335123. The next prime is 20335157. The reversal of 20335124 is 42153302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1690000 + 18645124 = 1300^2 + 4318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20335096 and 20335105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069 + ... + 10284.

It is an arithmetic number, because the mean of its divisors is an integer number (2976407).

Almost surely, 2^20335124 is an apocalyptic number.

It is an amenable number.

20335124 is a deficient number, since it is larger than the sum of its proper divisors (15381760).

20335124 is a wasteful number, since it uses less digits than its factorization.

20335124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634 (or 18632 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20335124 is about 4509.4483032850. The cubic root of 20335124 is about 272.9494823492.

Adding to 20335124 its reverse (42153302), we get a palindrome (62488426).

The spelling of 20335124 in words is "twenty million, three hundred thirty-five thousand, one hundred twenty-four".