203012132503020 has 48 divisors (see below), whose sum is σ = 571921296011520. Its totient is φ = 53804442476736.

The previous prime is 203012132502869. The next prime is 203012132503067. The reversal of 203012132503020 is 20305231210302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10378933600 + ... + 10378953159.

It is an arithmetic number, because the mean of its divisors is an integer number (11915027000240).

Almost surely, 2^{203012132503020} is an apocalyptic number.

203012132503020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203012132503020 is an abundant number, since it is smaller than the sum of its proper divisors (368909163508500).

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

203012132503020 is a wasteful number, since it uses less digits than its factorization.

203012132503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757886934 (or 20757886932 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 203012132503020 its reverse (20305231210302), we get a palindrome (223317363713322).

The spelling of 203012132503020 in words is "two hundred three trillion, twelve billion, one hundred thirty-two million, five hundred three thousand, twenty".