20461324 has 12 divisors (see below), whose sum is σ = 38561824. Its totient is φ = 9443664.

The previous prime is 20461321. The next prime is 20461349. The reversal of 20461324 is 42316402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20461295 and 20461304.

It is not an unprimeable number, because it can be changed into a prime (20461321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196692 + ... + 196795.

Almost surely, 2^20461324 is an apocalyptic number.

It is an amenable number.

20461324 is a deficient number, since it is larger than the sum of its proper divisors (18100500).

20461324 is a wasteful number, since it uses less digits than its factorization.

20461324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393504 (or 393502 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20461324 is about 4523.4195029867. The cubic root of 20461324 is about 273.5129607829.

Adding to 20461324 its reverse (42316402), we get a palindrome (62777726).

The spelling of 20461324 in words is "twenty million, four hundred sixty-one thousand, three hundred twenty-four".