1003120300020 has 48 divisors (see below), whose sum is σ = 2884648652928. Its totient is φ = 260269050240.

The previous prime is 1003120300009. The next prime is 1003120300079. The reversal of 1003120300020 is 200030213001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1003120299969 and 1003120300005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225925776 + ... + 225930215.

It is an arithmetic number, because the mean of its divisors is an integer number (60096846936).

Almost surely, 2^{1003120300020} is an apocalyptic number.

1003120300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003120300020 is an abundant number, since it is smaller than the sum of its proper divisors (1881528352908).

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

1003120300020 is a wasteful number, since it uses less digits than its factorization.

1003120300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451856040 (or 451856038 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1003120300020 its reverse (200030213001), we get a palindrome (1203150513021).

The spelling of 1003120300020 in words is "one trillion, three billion, one hundred twenty million, three hundred thousand, twenty".