20674266 has 32 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 6689136.

The previous prime is 20674253. The next prime is 20674267. The reversal of 20674266 is 66247602.

It is not an unprimeable number, because it can be changed into a prime (20674267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46875 + ... + 47313.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^20674266 is an apocalyptic number.

20674266 is an abundant number, since it is smaller than the sum of its proper divisors (21903654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20674266 is a wasteful number, since it uses less digits than its factorization.

20674266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 20674266 is about 4546.8963040738. The cubic root of 20674266 is about 274.4585091287.

The spelling of 20674266 in words is "twenty million, six hundred seventy-four thousand, two hundred sixty-six".