203130124772540 has 72 divisors (see below), whose sum is σ = 498569620226832. Its totient is φ = 69314544875520.

The previous prime is 203130124772489. The next prime is 203130124772569. The reversal of 203130124772540 is 45277421031302.

It is a congruent number.

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, 490967717 + ... + 491381276.

It is an arithmetic number, because the mean of its divisors is an integer number (6924578058706).

Almost surely, 2^{203130124772540} is an apocalyptic number.

203130124772540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203130124772540 is an abundant number, since it is smaller than the sum of its proper divisors (295439495454292).

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

203130124772540 is a wasteful number, since it uses less digits than its factorization.

203130124772540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982349227 (or 982349218 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 203130124772540 in words is "two hundred three trillion, one hundred thirty billion, one hundred twenty-four million, seven hundred seventy-two thousand, five hundred forty".