203402400140000 has 60 divisors (see below), whose sum is σ = 500400414753624. Its totient is φ = 81360960048000.

The previous prime is 203402400139997. The next prime is 203402400140011. The reversal of 203402400140000 is 41004204302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5085040004 + ... + 5085080003.

Almost surely, 2^{203402400140000} is an apocalyptic number.

203402400140000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203402400140000 is an abundant number, since it is smaller than the sum of its proper divisors (296998014613624).

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

203402400140000 is an equidigital number, since it uses as much as digits as its factorization.

203402400140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170120037 (or 10170120014 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 203402400140000 its reverse (41004204302), we get a palindrome (203443404344302).

The spelling of 203402400140000 in words is "two hundred three trillion, four hundred two billion, four hundred million, one hundred forty thousand".