1203103322020 has 24 divisors (see below), whose sum is σ = 2526541718904. Its totient is φ = 481236615936.

The previous prime is 1203103321993. The next prime is 1203103322023. The reversal of 1203103322020 is 202233013021.

It can be written as a sum of positive squares in 4 ways, for example, as 327467773504 + 875635548516 = 572248^2 + 935754^2 .

It is not an unprimeable number, because it can be changed into a prime (1203103322023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399904 + ... + 2857576.

It is an arithmetic number, because the mean of its divisors is an integer number (105272571621).

Almost surely, 2^{1203103322020} is an apocalyptic number.

1203103322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203103322020 is an abundant number, since it is smaller than the sum of its proper divisors (1323438396884).

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

1203103322020 is a wasteful number, since it uses less digits than its factorization.

1203103322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589119 (or 589117 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1203103322020 its reverse (202233013021), we get a palindrome (1405336335041).

The spelling of 1203103322020 in words is "one trillion, two hundred three billion, one hundred three million, three hundred twenty-two thousand, twenty".