203093888904 has 96 divisors (see below), whose sum is σ = 566202775320. Its totient is φ = 65735774208.

The previous prime is 203093888903. The next prime is 203093888911. The reversal of 203093888904 is 409888390302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133223540004 + 69870348900 = 364998^2 + 264330^2 .

It is not an unprimeable number, because it can be changed into a prime (203093888903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95814 + ... + 644490.

Almost surely, 2^203093888904 is an apocalyptic number.

203093888904 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 203093888904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283101387660).

203093888904 is an abundant number, since it is smaller than the sum of its proper divisors (363108886416).

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

203093888904 is a wasteful number, since it uses less digits than its factorization.

203093888904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548839 (or 548832 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 203093888904 in words is "two hundred three billion, ninety-three million, eight hundred eighty-eight thousand, nine hundred four".