20021300313 has 16 divisors (see below), whose sum is σ = 30519914880. Its totient is φ = 11436518016.

The previous prime is 20021300297. The next prime is 20021300329. The reversal of 20021300313 is 31300312002.

It is an interprime number because it is at equal distance from previous prime (20021300297) and next prime (20021300329).

It is not a de Polignac number, because 20021300313 - 2⁴ = 20021300297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20021300292 and 20021300301.

It is not an unprimeable number, because it can be changed into a prime (20021300353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117370 + ... + 231987.

It is an arithmetic number, because the mean of its divisors is an integer number (1907494680).

Almost surely, 2^20021300313 is an apocalyptic number.

It is an amenable number.

20021300313 is a deficient number, since it is larger than the sum of its proper divisors (10498614567).

20021300313 is a wasteful number, since it uses less digits than its factorization.

20021300313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352096.

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

Adding to 20021300313 its reverse (31300312002), we get a palindrome (51321612315).

The spelling of 20021300313 in words is "twenty billion, twenty-one million, three hundred thousand, three hundred thirteen".