203101230020 has 48 divisors (see below), whose sum is σ = 459427282608. Its totient is φ = 74973911040.

The previous prime is 203101229971. The next prime is 203101230061. The reversal of 203101230020 is 20032101302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 59637547264 + 143463682756 = 244208^2 + 378766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203101229977 and 203101230004.

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, 1066712 + ... + 1242608.

It is an arithmetic number, because the mean of its divisors is an integer number (9571401721).

Almost surely, 2^203101230020 is an apocalyptic number.

203101230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203101230020 is an abundant number, since it is smaller than the sum of its proper divisors (256326052588).

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

203101230020 is a wasteful number, since it uses less digits than its factorization.

203101230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180360 (or 180358 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 203101230020 its reverse (20032101302), we get a palindrome (223133331322).

The spelling of 203101230020 in words is "two hundred three billion, one hundred one million, two hundred thirty thousand, twenty".