20516114 has 4 divisors (see below), whose sum is σ = 30774174. Its totient is φ = 10258056.

The previous prime is 20516107. The next prime is 20516123. The reversal of 20516114 is 41161502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41161502 = 2 ⋅20580751.

It can be written as a sum of positive squares in only one way, i.e., 14100025 + 6416089 = 3755^2 + 2533^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5129027 + ... + 5129030.

Almost surely, 2^20516114 is an apocalyptic number.

20516114 is a deficient number, since it is larger than the sum of its proper divisors (10258060).

20516114 is a wasteful number, since it uses less digits than its factorization.

20516114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258059.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 20516114 is about 4529.4717131251. The cubic root of 20516114 is about 273.7568749272.

Adding to 20516114 its reverse (41161502), we get a palindrome (61677616).

The spelling of 20516114 in words is "twenty million, five hundred sixteen thousand, one hundred fourteen".