20134624 has 24 divisors (see below), whose sum is σ = 40920768. Its totient is φ = 9742080.

The previous prime is 20134619. The next prime is 20134627. The reversal of 20134624 is 42643102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20134595 and 20134604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134627) 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, 9157 + ... + 11140.

It is an arithmetic number, because the mean of its divisors is an integer number (1705032).

Almost surely, 2^20134624 is an apocalyptic number.

It is an amenable number.

20134624 is an abundant number, since it is smaller than the sum of its proper divisors (20786144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20134624 is a wasteful number, since it uses less digits than its factorization.

20134624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20338 (or 20330 counting only the distinct ones).

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

The square root of 20134624 is about 4487.1621321276. The cubic root of 20134624 is about 272.0494431457.

Adding to 20134624 its reverse (42643102), we get a palindrome (62777726).

The spelling of 20134624 in words is "twenty million, one hundred thirty-four thousand, six hundred twenty-four".