203203200020 has 48 divisors (see below), whose sum is σ = 445553716608. Its totient is φ = 77699529600.

The previous prime is 203203199993. The next prime is 203203200029. The reversal of 203203200020 is 20002302302.

203203200020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203203199968 and 203203200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203203200029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618095 + ... + 887945.

It is an arithmetic number, because the mean of its divisors is an integer number (9282369096).

Almost surely, 2^203203200020 is an apocalyptic number.

203203200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203203200020 is an abundant number, since it is smaller than the sum of its proper divisors (242350516588).

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

203203200020 is a wasteful number, since it uses less digits than its factorization.

203203200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271520 (or 271518 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 203203200020 its reverse (20002302302), we get a palindrome (223205502322).

The spelling of 203203200020 in words is "two hundred three billion, two hundred three million, two hundred thousand, twenty".