203201002000 has 160 divisors (see below), whose sum is σ = 506688069888. Its totient is φ = 78768000000.

The previous prime is 203201001923. The next prime is 203201002007. The reversal of 203201002000 is 200102302.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (203201002007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12373795 + ... + 12390205.

Almost surely, 2^203201002000 is an apocalyptic number.

203201002000 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 203201002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253344034944).

203201002000 is an abundant number, since it is smaller than the sum of its proper divisors (303487067888).

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

203201002000 is a wasteful number, since it uses less digits than its factorization.

203201002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16626 (or 16610 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 203201002000 its reverse (200102302), we get a palindrome (203401104302).

The spelling of 203201002000 in words is "two hundred three billion, two hundred one million, two thousand".