203332210000040 has 128 divisors (see below), whose sum is σ = 525395745878400. Its totient is φ = 70042153697280.

The previous prime is 203332210000039. The next prime is 203332210000061. The reversal of 203332210000040 is 40000012233302.

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

It is a junction number, because it is equal to n+sod(n) for n = 203332209999967 and 203332210000021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110248352 + ... + 112077488.

It is an arithmetic number, because the mean of its divisors is an integer number (4104654264675).

Almost surely, 2^{203332210000040} is an apocalyptic number.

203332210000040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203332210000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262697872939200).

203332210000040 is an abundant number, since it is smaller than the sum of its proper divisors (322063535878360).

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

203332210000040 is a wasteful number, since it uses less digits than its factorization.

203332210000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842475 (or 1842471 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203332210000040 its reverse (40000012233302), we get a palindrome (243332222233342).

The spelling of 203332210000040 in words is "two hundred three trillion, three hundred thirty-two billion, two hundred ten million, forty", and thus it is an aban number.