20282956 has 24 divisors (see below), whose sum is σ = 38378480. Its totient is φ = 9346752.

The previous prime is 20282939. The next prime is 20282957. The reversal of 20282956 is 65928202.

It is a super-2 number, since 2×20282956² = 822796608195872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20282957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795 + ... + 6418.

Almost surely, 2^20282956 is an apocalyptic number.

It is an amenable number.

20282956 is a deficient number, since it is larger than the sum of its proper divisors (18095524).

20282956 is a wasteful number, since it uses less digits than its factorization.

20282956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273 (or 7271 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 20282956 is about 4503.6602891426. The cubic root of 20282956 is about 272.7158730454.

The spelling of 20282956 in words is "twenty million, two hundred eighty-two thousand, nine hundred fifty-six".