203043120204 has 144 divisors (see below), whose sum is σ = 515748425472. Its totient is φ = 62031505536.

The previous prime is 203043120127. The next prime is 203043120233. The reversal of 203043120204 is 402021340302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27043419 + ... + 27050925.

It is an arithmetic number, because the mean of its divisors is an integer number (3581586288).

Almost surely, 2^203043120204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203043120204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257874212736).

203043120204 is an abundant number, since it is smaller than the sum of its proper divisors (312705305268).

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

203043120204 is a wasteful number, since it uses less digits than its factorization.

203043120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676 (or 7631 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203043120204 its reverse (402021340302), we get a palindrome (605064460506).

The spelling of 203043120204 in words is "two hundred three billion, forty-three million, one hundred twenty thousand, two hundred four".