203202103020 has 96 divisors (see below), whose sum is σ = 654140648448. Its totient is φ = 46168058112.

The previous prime is 203202102991. The next prime is 203202103043. The reversal of 203202103020 is 20301202302.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1378407 + ... + 1518686.

It is an arithmetic number, because the mean of its divisors is an integer number (6813965088).

Almost surely, 2^203202103020 is an apocalyptic number.

203202103020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203202103020 is an abundant number, since it is smaller than the sum of its proper divisors (450938545428).

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

203202103020 is a wasteful number, since it uses less digits than its factorization.

203202103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897279 (or 2897277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 203202103020 its reverse (20301202302), we get a palindrome (223503305322).

The spelling of 203202103020 in words is "two hundred three billion, two hundred two million, one hundred three thousand, twenty".