20268105 has 48 divisors (see below), whose sum is σ = 38431680. Its totient is φ = 9060480.

The previous prime is 20268091. The next prime is 20268107. The reversal of 20268105 is 50186202.

It is not a de Polignac number, because 20268105 - 2⁴ = 20268089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20268107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23166 + ... + 24024.

It is an arithmetic number, because the mean of its divisors is an integer number (800660).

Almost surely, 2^20268105 is an apocalyptic number.

It is an amenable number.

20268105 is a deficient number, since it is larger than the sum of its proper divisors (18163575).

20268105 is a wasteful number, since it uses less digits than its factorization.

20268105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20268105 is about 4502.0112172228. The cubic root of 20268105 is about 272.6492967483.

The spelling of 20268105 in words is "twenty million, two hundred sixty-eight thousand, one hundred five".