204320412211240 has 96 divisors (see below), whose sum is σ = 514969984546200. Its totient is φ = 72839955901440.

The previous prime is 204320412211199. The next prime is 204320412211303. The reversal of 204320412211240 is 42112214023402.

204320412211240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 18645832158724 + 185674580052516 = 4318082^2 + 13626246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204320412211199 and 204320412211208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520923151 + ... + 521315230.

Almost surely, 2^{204320412211240} is an apocalyptic number.

204320412211240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204320412211240 is an abundant number, since it is smaller than the sum of its proper divisors (310649572334960).

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

204320412211240 is a wasteful number, since it uses less digits than its factorization.

204320412211240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042238447 (or 1042238430 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 204320412211240 its reverse (42112214023402), we get a palindrome (246432626234642).

The spelling of 204320412211240 in words is "two hundred four trillion, three hundred twenty billion, four hundred twelve million, two hundred eleven thousand, two hundred forty".