20252983 has 2 divisors, whose sum is σ = 20252984. Its totient is φ = 20252982.

The previous prime is 20252959. The next prime is 20252987. The reversal of 20252983 is 38925202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20252983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20252987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126491 + 10126492.

It is an arithmetic number, because the mean of its divisors is an integer number (10126492).

Almost surely, 2^20252983 is an apocalyptic number.

20252983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20252983 is an equidigital number, since it uses as much as digits as its factorization.

20252983 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 31.

The square root of 20252983 is about 4500.3314322392. The cubic root of 20252983 is about 272.5814721460.

The spelling of 20252983 in words is "twenty million, two hundred fifty-two thousand, nine hundred eighty-three".