203249525930 has 64 divisors (see below), whose sum is σ = 438379776000. Its totient is φ = 66974656320.

The previous prime is 203249525917. The next prime is 203249525933. The reversal of 203249525930 is 39525942302.

It is not an unprimeable number, because it can be changed into a prime (203249525933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2066030 + ... + 2162169.

It is an arithmetic number, because the mean of its divisors is an integer number (6849684000).

Almost surely, 2^203249525930 is an apocalyptic number.

203249525930 is an abundant number, since it is smaller than the sum of its proper divisors (235130250070).

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

203249525930 is a wasteful number, since it uses less digits than its factorization.

203249525930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228259.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 203249525930 in words is "two hundred three billion, two hundred forty-nine million, five hundred twenty-five thousand, nine hundred thirty".