204106100303563 has 16 divisors (see below), whose sum is σ = 205692401134080. Its totient is φ = 202521515752800.

The previous prime is 204106100303551. The next prime is 204106100303617. The reversal of 204106100303563 is 365303001601402.

It is a cyclic number.

It is not a de Polignac number, because 204106100303563 - 2¹³ = 204106100295371 is a prime.

It is a super-2 number, since 2×204106100303563² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204106100303503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1896472893 + ... + 1896580513.

It is an arithmetic number, because the mean of its divisors is an integer number (12855775070880).

Almost surely, 2^{204106100303563} is an apocalyptic number.

204106100303563 is a deficient number, since it is larger than the sum of its proper divisors (1586300830517).

204106100303563 is a wasteful number, since it uses less digits than its factorization.

204106100303563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115458.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 204106100303563 its reverse (365303001601402), we get a palindrome (569409101904965).

The spelling of 204106100303563 in words is "two hundred four trillion, one hundred six billion, one hundred million, three hundred three thousand, five hundred sixty-three".