20283876 has 36 divisors (see below), whose sum is σ = 53043900. Its totient is φ = 6527808.

The previous prime is 20283869. The next prime is 20283877. The reversal of 20283876 is 67838202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 16597476 = 1920^2 + 4074^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20283876² = 822871251166752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20283876.

It is not an unprimeable number, because it can be changed into a prime (20283877) 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 in 11 ways as a sum of consecutive naturals, for example, 8671 + ... + 10758.

Almost surely, 2^20283876 is an apocalyptic number.

It is an amenable number.

20283876 is an abundant number, since it is smaller than the sum of its proper divisors (32760024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20283876 is a wasteful number, since it uses less digits than its factorization.

20283876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468 (or 19463 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 20283876 is about 4503.7624271269. The cubic root of 20283876 is about 272.7199962907.

The spelling of 20283876 in words is "twenty million, two hundred eighty-three thousand, eight hundred seventy-six".