20652383 has 2 divisors, whose sum is σ = 20652384. Its totient is φ = 20652382.

The previous prime is 20652377. The next prime is 20652403. The reversal of 20652383 is 38325602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20652383 - 2⁶ = 20652319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20652323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10326191 + 10326192.

It is an arithmetic number, because the mean of its divisors is an integer number (10326192).

Almost surely, 2^20652383 is an apocalyptic number.

20652383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20652383 is an equidigital number, since it uses as much as digits as its factorization.

20652383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 20652383 is about 4544.4893002405. The cubic root of 20652383 is about 274.3616399768.

Adding to 20652383 its reverse (38325602), we get a palindrome (58977985).

The spelling of 20652383 in words is "twenty million, six hundred fifty-two thousand, three hundred eighty-three".