20114761 has 4 divisors (see below), whose sum is σ = 20131524. Its totient is φ = 20098000.

The previous prime is 20114713. The next prime is 20114779. The reversal of 20114761 is 16741102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 18835600 = 1131^2 + 4340^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114761 - 2⁹ = 20114249 is a prime.

It is a super-2 number, since 2×20114761² = 809207220174242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20114701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6430 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (5032881).

Almost surely, 2^20114761 is an apocalyptic number.

It is an amenable number.

20114761 is a deficient number, since it is larger than the sum of its proper divisors (16763).

20114761 is a wasteful number, since it uses less digits than its factorization.

20114761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16762.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 20114761 is about 4484.9482717195. The cubic root of 20114761 is about 271.9599539155.

Adding to 20114761 its reverse (16741102), we get a palindrome (36855863).

The spelling of 20114761 in words is "twenty million, one hundred fourteen thousand, seven hundred sixty-one".