203021013132 has 72 divisors (see below), whose sum is σ = 586547270400. Its totient is φ = 58001838048.

The previous prime is 203021013127. The next prime is 203021013199. The reversal of 203021013132 is 231310120302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5864169 + ... + 5898687.

Almost surely, 2^203021013132 is an apocalyptic number.

It is an amenable number.

203021013132 is an abundant number, since it is smaller than the sum of its proper divisors (383526257268).

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

203021013132 is a wasteful number, since it uses less digits than its factorization.

203021013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57875 (or 57870 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203021013132 its reverse (231310120302), we get a palindrome (434331133434).

The spelling of 203021013132 in words is "two hundred three billion, twenty-one million, thirteen thousand, one hundred thirty-two".