20252051 has 2 divisors, whose sum is σ = 20252052. Its totient is φ = 20252050.

The previous prime is 20252033. The next prime is 20252053. The reversal of 20252051 is 15025202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20252051 - 2¹⁰ = 20251027 is a prime.

Together with 20252053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20252053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126025 + 10126026.

It is an arithmetic number, because the mean of its divisors is an integer number (10126026).

Almost surely, 2^20252051 is an apocalyptic number.

20252051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20252051 is an equidigital number, since it uses as much as digits as its factorization.

20252051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 20252051 is about 4500.2278831188. The cubic root of 20252051 is about 272.5772908718.

Adding to 20252051 its reverse (15025202), we get a palindrome (35277253).

The spelling of 20252051 in words is "twenty million, two hundred fifty-two thousand, fifty-one".