20003120313 has 8 divisors (see below), whose sum is σ = 29095447776. Its totient is φ = 12123103200.

The previous prime is 20003120299. The next prime is 20003120317. The reversal of 20003120313 is 31302130002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20003120313 - 2⁴ = 20003120297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003120292 and 20003120301.

It is not an unprimeable number, because it can be changed into a prime (20003120317) 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, 303077548 + ... + 303077613.

It is an arithmetic number, because the mean of its divisors is an integer number (3636930972).

Almost surely, 2^20003120313 is an apocalyptic number.

It is an amenable number.

20003120313 is a deficient number, since it is larger than the sum of its proper divisors (9092327463).

20003120313 is a wasteful number, since it uses less digits than its factorization.

20003120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606155175.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20003120313 its reverse (31302130002), we get a palindrome (51305250315).

The spelling of 20003120313 in words is "twenty billion, three million, one hundred twenty thousand, three hundred thirteen".