20412266 has 8 divisors (see below), whose sum is σ = 34992480. Its totient is φ = 8748108.

The previous prime is 20412263. The next prime is 20412269. The reversal of 20412266 is 66221402.

It is an interprime number because it is at equal distance from previous prime (20412263) and next prime (20412269).

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

It is not an unprimeable number, because it can be changed into a prime (20412263) 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, 728996 + ... + 729023.

It is an arithmetic number, because the mean of its divisors is an integer number (4374060).

Almost surely, 2^20412266 is an apocalyptic number.

20412266 is a deficient number, since it is larger than the sum of its proper divisors (14580214).

20412266 is a wasteful number, since it uses less digits than its factorization.

20412266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458028.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20412266 is about 4517.9935812261. The cubic root of 20412266 is about 273.2941946075.

Adding to 20412266 its reverse (66221402), we get a palindrome (86633668).

The spelling of 20412266 in words is "twenty million, four hundred twelve thousand, two hundred sixty-six".