20366271103 has 4 divisors (see below), whose sum is σ = 20367578088. Its totient is φ = 20364964120.

The previous prime is 20366271089. The next prime is 20366271113. The reversal of 20366271103 is 30117266302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30117266302 = 2 ⋅15058633151.

It is a cyclic number.

It is not a de Polignac number, because 20366271103 - 2²⁹ = 19829400191 is a prime.

It is a super-3 number, since 3×20366271103³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366271113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629833 + ... + 661378.

It is an arithmetic number, because the mean of its divisors is an integer number (5091894522).

Almost surely, 2^20366271103 is an apocalyptic number.

20366271103 is a deficient number, since it is larger than the sum of its proper divisors (1306985).

20366271103 is a wasteful number, since it uses less digits than its factorization.

20366271103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306984.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 20366271103 in words is "twenty billion, three hundred sixty-six million, two hundred seventy-one thousand, one hundred three".