20104655103 has 12 divisors (see below), whose sum is σ = 31273908120. Its totient is φ = 12372095376.

The previous prime is 20104655099. The next prime is 20104655113. The reversal of 20104655103 is 30155640102.

20104655103 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 4 + 655 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 20104655103 - 2² = 20104655099 is a prime.

It is a super-3 number, since 3×20104655103³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104655113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85917213 + ... + 85917446.

It is an arithmetic number, because the mean of its divisors is an integer number (2606159010).

Almost surely, 2^20104655103 is an apocalyptic number.

20104655103 is a deficient number, since it is larger than the sum of its proper divisors (11169253017).

20104655103 is a wasteful number, since it uses less digits than its factorization.

20104655103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171834678 (or 171834675 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 20104655103 in words is "twenty billion, one hundred four million, six hundred fifty-five thousand, one hundred three".