20261914 has 8 divisors (see below), whose sum is σ = 30597300. Its totient is φ = 10062816.

The previous prime is 20261911. The next prime is 20261929. The reversal of 20261914 is 41916202.

It can be written as a sum of positive squares in 2 ways, for example, as 20115225 + 146689 = 4485^2 + 383^2 .

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 (20261911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33699 + ... + 34294.

Almost surely, 2^20261914 is an apocalyptic number.

20261914 is a deficient number, since it is larger than the sum of its proper divisors (10335386).

20261914 is a wasteful number, since it uses less digits than its factorization.

20261914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68144.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20261914 is about 4501.3235831253. The cubic root of 20261914 is about 272.6215331974.

The spelling of 20261914 in words is "twenty million, two hundred sixty-one thousand, nine hundred fourteen".