20001002313 has 8 divisors (see below), whose sum is σ = 27528261376. Its totient is φ = 12903872400.

The previous prime is 20001002303. The next prime is 20001002321. The reversal of 20001002313 is 31320010002.

It is a happy number.

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

It is not a de Polignac number, because 20001002313 - 2⁸ = 20001002057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001002303) 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, 107532178 + ... + 107532363.

It is an arithmetic number, because the mean of its divisors is an integer number (3441032672).

Almost surely, 2^20001002313 is an apocalyptic number.

It is an amenable number.

20001002313 is a deficient number, since it is larger than the sum of its proper divisors (7527259063).

20001002313 is a wasteful number, since it uses less digits than its factorization.

20001002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215064575.

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

Adding to 20001002313 its reverse (31320010002), we get a palindrome (51321012315).

The spelling of 20001002313 in words is "twenty billion, one million, two thousand, three hundred thirteen".