20203101110320 has 20 divisors (see below), whose sum is σ = 46972210081680. Its totient is φ = 8081240444096.

The previous prime is 20203101110287. The next prime is 20203101110323. The reversal of 20203101110320 is 2301110130202.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20203101110294 and 20203101110303.

It is not an unprimeable number, because it can be changed into a prime (20203101110323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126269381860 + ... + 126269382019.

It is an arithmetic number, because the mean of its divisors is an integer number (2348610504084).

Almost surely, 2^{20203101110320} is an apocalyptic number.

20203101110320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203101110320 is an abundant number, since it is smaller than the sum of its proper divisors (26769108971360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20203101110320 is a wasteful number, since it uses less digits than its factorization.

20203101110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252538763892 (or 252538763886 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20203101110320 its reverse (2301110130202), we get a palindrome (22504211240522).

The spelling of 20203101110320 in words is "twenty trillion, two hundred three billion, one hundred one million, one hundred ten thousand, three hundred twenty".