20310203013 has 8 divisors (see below), whose sum is σ = 27656446848. Its totient is φ = 13252047264.

The previous prime is 20310202999. The next prime is 20310203021. The reversal of 20310203013 is 31030201302.

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

It is not a de Polignac number, because 20310203013 - 2⁹ = 20310202501 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20310202983 and 20310203001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310203033) 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, 72021856 + ... + 72022137.

It is an arithmetic number, because the mean of its divisors is an integer number (3457055856).

Almost surely, 2^20310203013 is an apocalyptic number.

It is an amenable number.

20310203013 is a deficient number, since it is larger than the sum of its proper divisors (7346243835).

20310203013 is a wasteful number, since it uses less digits than its factorization.

20310203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144044043.

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

Adding to 20310203013 its reverse (31030201302), we get a palindrome (51340404315).

The spelling of 20310203013 in words is "twenty billion, three hundred ten million, two hundred three thousand, thirteen".