20607324 has 72 divisors (see below), whose sum is σ = 52230528. Its totient is φ = 6320160.

The previous prime is 20607319. The next prime is 20607331. The reversal of 20607324 is 42370602.

It is a junction number, because it is equal to n+sod(n) for n = 20607294 and 20607303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290209 + ... + 290279.

It is an arithmetic number, because the mean of its divisors is an integer number (725424).

Almost surely, 2^20607324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20607324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26115264).

20607324 is an abundant number, since it is smaller than the sum of its proper divisors (31623204).

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

20607324 is a wasteful number, since it uses less digits than its factorization.

20607324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20607324 is about 4539.5290504633. The cubic root of 20607324 is about 274.1619622482.

Adding to 20607324 its reverse (42370602), we get a palindrome (62977926).

The spelling of 20607324 in words is "twenty million, six hundred seven thousand, three hundred twenty-four".