20283782 has 4 divisors (see below), whose sum is σ = 30425676. Its totient is φ = 10141890.

The previous prime is 20283779. The next prime is 20283799. The reversal of 20283782 is 28738202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20283782² = 822863624447048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070944 + ... + 5070947.

It is an arithmetic number, because the mean of its divisors is an integer number (7606419).

Almost surely, 2^20283782 is an apocalyptic number.

20283782 is a deficient number, since it is larger than the sum of its proper divisors (10141894).

20283782 is a wasteful number, since it uses less digits than its factorization.

20283782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141893.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 20283782 is about 4503.7519913956. The cubic root of 20283782 is about 272.7195750083.

The spelling of 20283782 in words is "twenty million, two hundred eighty-three thousand, seven hundred eighty-two".