20283746 has 24 divisors (see below), whose sum is σ = 36936000. Its totient is φ = 8314152.

The previous prime is 20283727. The next prime is 20283751. The reversal of 20283746 is 64738202.

It is a super-2 number, since 2×20283746² = 822860703585032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2246 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 2^20283746 is an apocalyptic number.

20283746 is a deficient number, since it is larger than the sum of its proper divisors (16652254).

20283746 is a wasteful number, since it uses less digits than its factorization.

20283746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038 (or 9031 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 20283746 is about 4503.7479947262. The cubic root of 20283746 is about 272.7194136658.

The spelling of 20283746 in words is "twenty million, two hundred eighty-three thousand, seven hundred forty-six".