20284652 has 12 divisors (see below), whose sum is σ = 36028440. Its totient is φ = 9990816.

The previous prime is 20284651. The next prime is 20284669. The reversal of 20284652 is 25648202.

It is a super-2 number, since 2×20284652² = 822934213522208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20284651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37577 + ... + 38112.

It is an arithmetic number, because the mean of its divisors is an integer number (3002370).

Almost surely, 2^20284652 is an apocalyptic number.

It is an amenable number.

20284652 is a deficient number, since it is larger than the sum of its proper divisors (15743788).

20284652 is a wasteful number, since it uses less digits than its factorization.

20284652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75760 (or 75758 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 20284652 is about 4503.8485764954. The cubic root of 20284652 is about 272.7234740616.

The spelling of 20284652 in words is "twenty million, two hundred eighty-four thousand, six hundred fifty-two".