20256082 has 32 divisors (see below), whose sum is σ = 39112704. Its totient is φ = 7635600.

The previous prime is 20256073. The next prime is 20256127. The reversal of 20256082 is 28065202.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2653 + ... + 6895.

It is an arithmetic number, because the mean of its divisors is an integer number (1222272).

Almost surely, 2^20256082 is an apocalyptic number.

20256082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20256082 is a deficient number, since it is larger than the sum of its proper divisors (18856622).

20256082 is a wasteful number, since it uses less digits than its factorization.

20256082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 20256082 is about 4500.6757270437. The cubic root of 20256082 is about 272.5953744092.

The spelling of 20256082 in words is "twenty million, two hundred fifty-six thousand, eighty-two".