20256076 has 6 divisors (see below), whose sum is σ = 35448140. Its totient is φ = 10128036.

The previous prime is 20256073. The next prime is 20256127. The reversal of 20256076 is 67065202.

It is a super-2 number, since 2×20256076² = 820617229835552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20256073) 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, 2532006 + ... + 2532013.

Almost surely, 2^20256076 is an apocalyptic number.

It is an amenable number.

20256076 is a deficient number, since it is larger than the sum of its proper divisors (15192064).

20256076 is a wasteful number, since it uses less digits than its factorization.

20256076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064023 (or 5064021 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20256076 is about 4500.6750604770. The cubic root of 20256076 is about 272.5953474943.

The spelling of 20256076 in words is "twenty million, two hundred fifty-six thousand, seventy-six".