204203211040 has 96 divisors (see below), whose sum is σ = 510919436160. Its totient is φ = 76963713024.

The previous prime is 204203211029. The next prime is 204203211061. The reversal of 204203211040 is 40112302402.

It is a junction number, because it is equal to n+sod(n) for n = 204203210999 and 204203211017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167545 + ... + 660664.

It is an arithmetic number, because the mean of its divisors is an integer number (5322077460).

Almost surely, 2^204203211040 is an apocalyptic number.

204203211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204203211040 is an abundant number, since it is smaller than the sum of its proper divisors (306716225120).

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

204203211040 is a wasteful number, since it uses less digits than its factorization.

204203211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828314 (or 828306 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 204203211040 its reverse (40112302402), we get a palindrome (244315513442).

It can be divided in two parts, 20420321 and 1040, that added together give a square (20421361 = 4519²).

The spelling of 204203211040 in words is "two hundred four billion, two hundred three million, two hundred eleven thousand, forty".