1303123030020 has 144 divisors (see below), whose sum is σ = 4553064542208. Its totient is φ = 295511328000.

The previous prime is 1303123030019. The next prime is 1303123030037. The reversal of 1303123030020 is 200303213031.

1303123030020 is a `hidden beast` number, since 1 + 3 + 0 + 312 + 30 + 300 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1303123029975 and 1303123030002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3911731 + ... + 4231770.

Almost surely, 2^{1303123030020} is an apocalyptic number.

1303123030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303123030020 is an abundant number, since it is smaller than the sum of its proper divisors (3249941512188).

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

1303123030020 is a wasteful number, since it uses less digits than its factorization.

1303123030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143650 (or 8143645 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1303123030020 its reverse (200303213031), we get a palindrome (1503426243051).

The spelling of 1303123030020 in words is "one trillion, three hundred three billion, one hundred twenty-three million, thirty thousand, twenty".