20260963 has 2 divisors, whose sum is σ = 20260964. Its totient is φ = 20260962.

The previous prime is 20260951. The next prime is 20260979. The reversal of 20260963 is 36906202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20260963 - 2⁹ = 20260451 is a prime.

It is not a weakly prime, because it can be changed into another prime (20260913) 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, 10130481 + 10130482.

It is an arithmetic number, because the mean of its divisors is an integer number (10130482).

Almost surely, 2^20260963 is an apocalyptic number.

20260963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260963 is an equidigital number, since it uses as much as digits as its factorization.

20260963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20260963 is about 4501.2179462896. The cubic root of 20260963 is about 272.6172679351.

The spelling of 20260963 in words is "twenty million, two hundred sixty thousand, nine hundred sixty-three".