202103543140 has 24 divisors (see below), whose sum is σ = 424429319160. Its totient is φ = 80839154688.

The previous prime is 202103543137. The next prime is 202103543183. The reversal of 202103543140 is 41345301202.

It can be written as a sum of positive squares in 4 ways, for example, as 1232852544 + 200870690596 = 35112^2 + 448186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718626 + ... + 959494.

It is an arithmetic number, because the mean of its divisors is an integer number (17684554965).

Almost surely, 2^202103543140 is an apocalyptic number.

202103543140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202103543140 is an abundant number, since it is smaller than the sum of its proper divisors (222325776020).

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

202103543140 is a wasteful number, since it uses less digits than its factorization.

202103543140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282831 (or 282829 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 202103543140 its reverse (41345301202), we get a palindrome (243448844342).

The spelling of 202103543140 in words is "two hundred two billion, one hundred three million, five hundred forty-three thousand, one hundred forty".