28020262 has 16 divisors (see below), whose sum is σ = 43287552. Its totient is φ = 13595400.

The previous prime is 28020259. The next prime is 28020263. The reversal of 28020262 is 26202082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28020263) 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 7 ways as a sum of consecutive naturals, for example, 13387 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (2705472).

Almost surely, 2^28020262 is an apocalyptic number.

28020262 is a deficient number, since it is larger than the sum of its proper divisors (15267290).

28020262 is a wasteful number, since it uses less digits than its factorization.

28020262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 28020262 is about 5293.4168549246. The cubic root of 28020262 is about 303.7321263905.

It can be divided in two parts, 28020 and 262, that added together give a palindrome (28282).

The spelling of 28020262 in words is "twenty-eight million, twenty thousand, two hundred sixty-two".