204040103213403 has 24 divisors (see below), whose sum is σ = 295724296618608. Its totient is φ = 135566102423232.

The previous prime is 204040103213399. The next prime is 204040103213473. The reversal of 204040103213403 is 304312301040402.

204040103213403 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 40 + 1 + 0 + 3 + 213 + 403 = 666.

It is not a de Polignac number, because 204040103213403 - 2² = 204040103213399 is a prime.

It is a super-2 number, since 2×204040103213403² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204040103213473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28828300 + ... + 35201577.

It is an arithmetic number, because the mean of its divisors is an integer number (12321845692442).

Almost surely, 2^{204040103213403} is an apocalyptic number.

204040103213403 is a deficient number, since it is larger than the sum of its proper divisors (91684193405205).

204040103213403 is a wasteful number, since it uses less digits than its factorization.

204040103213403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64031083 (or 64031080 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 204040103213403 its reverse (304312301040402), we get a palindrome (508352404253805).

The spelling of 204040103213403 in words is "two hundred four trillion, forty billion, one hundred three million, two hundred thirteen thousand, four hundred three".