20283706 has 16 divisors (see below), whose sum is σ = 31243968. Its totient is φ = 9872800.

The previous prime is 20283671. The next prime is 20283719. The reversal of 20283706 is 60738202.

It is a super-2 number, since 2×20283706² = 822857458188872, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 10926 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (1952748).

Almost surely, 2^20283706 is an apocalyptic number.

20283706 is a deficient number, since it is larger than the sum of its proper divisors (10960262).

20283706 is a wasteful number, since it uses less digits than its factorization.

20283706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20283706 is about 4503.7435539782. The cubic root of 20283706 is about 272.7192343961.

The spelling of 20283706 in words is "twenty million, two hundred eighty-three thousand, seven hundred six".