20262159 has 24 divisors (see below), whose sum is σ = 30702672. Its totient is φ = 12862080.

The previous prime is 20262133. The next prime is 20262161. The reversal of 20262159 is 95126202.

It is not a de Polignac number, because 20262159 - 2¹⁶ = 20196623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20260159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15229 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (1279278).

Almost surely, 2^20262159 is an apocalyptic number.

20262159 is a deficient number, since it is larger than the sum of its proper divisors (10440513).

20262159 is a wasteful number, since it uses less digits than its factorization.

20262159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20262159 is about 4501.3507972608. The cubic root of 20262159 is about 272.6226320078.

The spelling of 20262159 in words is "twenty million, two hundred sixty-two thousand, one hundred fifty-nine".