20652324 has 144 divisors (see below), whose sum is σ = 63737856. Its totient is φ = 5140800.

The previous prime is 20652323. The next prime is 20652329. The reversal of 20652324 is 42325602.

It is a junction number, because it is equal to n+sod(n) for n = 20652294 and 20652303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20652323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200457 + ... + 200559.

It is an arithmetic number, because the mean of its divisors is an integer number (442624).

Almost surely, 2^20652324 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 20652324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31868928).

20652324 is an abundant number, since it is smaller than the sum of its proper divisors (43085532).

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

20652324 is a wasteful number, since it uses less digits than its factorization.

20652324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20652324 is about 4544.4828088574. The cubic root of 20652324 is about 274.3613787099.

Adding to 20652324 its reverse (42325602), we get a palindrome (62977926).

The spelling of 20652324 in words is "twenty million, six hundred fifty-two thousand, three hundred twenty-four".