204919963203 has 16 divisors (see below), whose sum is σ = 279904657536. Its totient is φ = 133274621760.

The previous prime is 204919963181. The next prime is 204919963217. The reversal of 204919963203 is 302369919402.

It is not a de Polignac number, because 204919963203 - 2⁶ = 204919963139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204919913203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4106400 + ... + 4156002.

It is an arithmetic number, because the mean of its divisors is an integer number (17494041096).

Almost surely, 2^204919963203 is an apocalyptic number.

204919963203 is a deficient number, since it is larger than the sum of its proper divisors (74984694333).

204919963203 is a wasteful number, since it uses less digits than its factorization.

204919963203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83234.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 204919963203 in words is "two hundred four billion, nine hundred nineteen million, nine hundred sixty-three thousand, two hundred three".