20262073 has 16 divisors (see below), whose sum is σ = 22703296. Its totient is φ = 17962560.

The previous prime is 20262049. The next prime is 20262083. The reversal of 20262073 is 37026202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20262073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20262083) 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 15 ways as a sum of consecutive naturals, for example, 37183 + ... + 37723.

It is an arithmetic number, because the mean of its divisors is an integer number (1418956).

Almost surely, 2^20262073 is an apocalyptic number.

It is an amenable number.

20262073 is a deficient number, since it is larger than the sum of its proper divisors (2441223).

20262073 is a wasteful number, since it uses less digits than its factorization.

20262073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20262073 is about 4501.3412445626. The cubic root of 20262073 is about 272.6222463040.

Adding to 20262073 its reverse (37026202), we get a palindrome (57288275).

The spelling of 20262073 in words is "twenty million, two hundred sixty-two thousand, seventy-three".