20674244 has 12 divisors (see below), whose sum is σ = 38308284. Its totient is φ = 9729024.

The previous prime is 20674243. The next prime is 20674253. The reversal of 20674244 is 44247602.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 14364100 = 2512^2 + 3790^2 .

It is not an unprimeable number, because it can be changed into a prime (20674243) 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, 151949 + ... + 152084.

It is an arithmetic number, because the mean of its divisors is an integer number (3192357).

Almost surely, 2^20674244 is an apocalyptic number.

It is an amenable number.

20674244 is a deficient number, since it is larger than the sum of its proper divisors (17634040).

20674244 is a wasteful number, since it uses less digits than its factorization.

20674244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304054 (or 304052 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 20674244 is about 4546.8938848405. The cubic root of 20674244 is about 274.4584117760.

The spelling of 20674244 in words is "twenty million, six hundred seventy-four thousand, two hundred forty-four".