203013402140 has 24 divisors (see below), whose sum is σ = 430100964720. Its totient is φ = 80486728448.

The previous prime is 203013402133. The next prime is 203013402149. The reversal of 203013402140 is 41204310302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203013402149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44912210 + ... + 44916729.

It is an arithmetic number, because the mean of its divisors is an integer number (17920873530).

Almost surely, 2^203013402140 is an apocalyptic number.

203013402140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203013402140 is an abundant number, since it is smaller than the sum of its proper divisors (227087562580).

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

203013402140 is a wasteful number, since it uses less digits than its factorization.

203013402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89829061 (or 89829059 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203013402140 its reverse (41204310302), we get a palindrome (244217712442).

The spelling of 203013402140 in words is "two hundred three billion, thirteen million, four hundred two thousand, one hundred forty".