20537714 has 4 divisors (see below), whose sum is σ = 30806574. Its totient is φ = 10268856.

The previous prime is 20537707. The next prime is 20537719. The reversal of 20537714 is 41773502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41773502 = 2 ⋅20886751.

It can be written as a sum of positive squares in only one way, i.e., 19758025 + 779689 = 4445^2 + 883^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20537719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5134427 + ... + 5134430.

Almost surely, 2^20537714 is an apocalyptic number.

20537714 is a deficient number, since it is larger than the sum of its proper divisors (10268860).

20537714 is a wasteful number, since it uses less digits than its factorization.

20537714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268859.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 20537714 is about 4531.8554698931. The cubic root of 20537714 is about 273.8529144685.

The spelling of 20537714 in words is "twenty million, five hundred thirty-seven thousand, seven hundred fourteen".