20652043 has 2 divisors, whose sum is σ = 20652044. Its totient is φ = 20652042.

The previous prime is 20652041. The next prime is 20652077. The reversal of 20652043 is 34025602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20652043 - 2¹ = 20652041 is a prime.

Together with 20652041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20652041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10326021 + 10326022.

It is an arithmetic number, because the mean of its divisors is an integer number (10326022).

Almost surely, 2^20652043 is an apocalyptic number.

20652043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20652043 is an equidigital number, since it uses as much as digits as its factorization.

20652043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20652043 is about 4544.4518921428. The cubic root of 20652043 is about 274.3601343641.

Adding to 20652043 its reverse (34025602), we get a palindrome (54677645).

The spelling of 20652043 in words is "twenty million, six hundred fifty-two thousand, forty-three".