20268283 has 8 divisors (see below), whose sum is σ = 23194080. Its totient is φ = 17350080.

The previous prime is 20268271. The next prime is 20268293. The reversal of 20268283 is 38286202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20268283 - 2⁵ = 20268251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20268253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6063 + ... + 8791.

It is an arithmetic number, because the mean of its divisors is an integer number (2899260).

Almost surely, 2^20268283 is an apocalyptic number.

20268283 is a deficient number, since it is larger than the sum of its proper divisors (2925797).

20268283 is a wasteful number, since it uses less digits than its factorization.

20268283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20268283 is about 4502.0309861217. The cubic root of 20268283 is about 272.6500949060.

The spelling of 20268283 in words is "twenty million, two hundred sixty-eight thousand, two hundred eighty-three".