204615453100 has 36 divisors (see below), whose sum is σ = 447511746304. Its totient is φ = 81201718080.

The previous prime is 204615453089. The next prime is 204615453103. The reversal of 204615453100 is 1354516402.

It is a happy number.

204615453100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204615453100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204615453103) 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, 8043027 + ... + 8068426.

Almost surely, 2^204615453100 is an apocalyptic number.

204615453100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204615453100 is an abundant number, since it is smaller than the sum of its proper divisors (242896293204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204615453100 is a wasteful number, since it uses less digits than its factorization.

204615453100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16111594 (or 16111587 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 204615453100 its reverse (1354516402), we get a palindrome (205969969502).

The spelling of 204615453100 in words is "two hundred four billion, six hundred fifteen million, four hundred fifty-three thousand, one hundred".