203120233104 has 80 divisors (see below), whose sum is σ = 543902441984. Its totient is φ = 65250662400.

The previous prime is 203120233079. The next prime is 203120233139. The reversal of 203120233104 is 401332021302.

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, 75402 + ... + 641814.

Almost surely, 2^203120233104 is an apocalyptic number.

203120233104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203120233104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271951220992).

203120233104 is an abundant number, since it is smaller than the sum of its proper divisors (340782208880).

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

203120233104 is a wasteful number, since it uses less digits than its factorization.

203120233104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566696 (or 566690 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203120233104 its reverse (401332021302), we get a palindrome (604452254406).

The spelling of 203120233104 in words is "two hundred three billion, one hundred twenty million, two hundred thirty-three thousand, one hundred four".