203225430504 has 32 divisors (see below), whose sum is σ = 508076000640. Its totient is φ = 67740153600.

The previous prime is 203225430451. The next prime is 203225430521. The reversal of 203225430504 is 405034522302.

It is a super-2 number, since 2×203225430504² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270449 + ... + 1421439.

It is an arithmetic number, because the mean of its divisors is an integer number (15877375020).

Almost surely, 2^203225430504 is an apocalyptic number.

203225430504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203225430504 is an abundant number, since it is smaller than the sum of its proper divisors (304850570136).

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

203225430504 is a wasteful number, since it uses less digits than its factorization.

203225430504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207081 (or 207077 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 203225430504 its reverse (405034522302), we get a palindrome (608259952806).

The spelling of 203225430504 in words is "two hundred three billion, two hundred twenty-five million, four hundred thirty thousand, five hundred four".