20461706 has 8 divisors (see below), whose sum is σ = 31441284. Its totient is φ = 9981280.

The previous prime is 20461699. The next prime is 20461709. The reversal of 20461706 is 60716402.

It can be written as a sum of positive squares in 2 ways, for example, as 17430625 + 3031081 = 4175^2 + 1741^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20461709) 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, 124685 + ... + 124848.

Almost surely, 2^20461706 is an apocalyptic number.

20461706 is a deficient number, since it is larger than the sum of its proper divisors (10979578).

20461706 is a wasteful number, since it uses less digits than its factorization.

20461706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249576.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20461706 is about 4523.4617274826. The cubic root of 20461706 is about 273.5146628771.

The spelling of 20461706 in words is "twenty million, four hundred sixty-one thousand, seven hundred six".