20113946 has 4 divisors (see below), whose sum is σ = 30170922. Its totient is φ = 10056972.

The previous prime is 20113927. The next prime is 20113949. The reversal of 20113946 is 64931102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15295921 + 4818025 = 3911^2 + 2195^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20113949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028485 + ... + 5028488.

Almost surely, 2^20113946 is an apocalyptic number.

20113946 is a deficient number, since it is larger than the sum of its proper divisors (10056976).

20113946 is a wasteful number, since it uses less digits than its factorization.

20113946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056975.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 20113946 is about 4484.8574113343. The cubic root of 20113946 is about 271.9562808193.

The spelling of 20113946 in words is "twenty million, one hundred thirteen thousand, nine hundred forty-six".