20003030313203 has 16 divisors (see below), whose sum is σ = 23151217090560. Its totient is φ = 16927519471200.

The previous prime is 20003030313139. The next prime is 20003030313247. The reversal of 20003030313203 is 30231303030002.

It is a cyclic number.

It is not a de Polignac number, because 20003030313203 - 2⁶ = 20003030313139 is a prime.

It is a super-2 number, since 2×20003030313203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003030313293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9501413 + ... + 11414153.

It is an arithmetic number, because the mean of its divisors is an integer number (1446951068160).

Almost surely, 2^{20003030313203} is an apocalyptic number.

20003030313203 is a deficient number, since it is larger than the sum of its proper divisors (3148186777357).

20003030313203 is a wasteful number, since it uses less digits than its factorization.

20003030313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931738.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20003030313203 its reverse (30231303030002), we get a palindrome (50234333343205).

The spelling of 20003030313203 in words is "twenty trillion, three billion, thirty million, three hundred thirteen thousand, two hundred three".