20203101231104 has 96 divisors (see below), whose sum is σ = 44262878587200. Its totient is φ = 9142770769920.

The previous prime is 20203101231097. The next prime is 20203101231139. The reversal of 20203101231104 is 40113210130202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3138527 + ... + 7089185.

It is an arithmetic number, because the mean of its divisors is an integer number (461071651950).

Almost surely, 2^{20203101231104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20203101231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22131439293600).

20203101231104 is an abundant number, since it is smaller than the sum of its proper divisors (24059777356096).

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

20203101231104 is a wasteful number, since it uses less digits than its factorization.

20203101231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950919 (or 3950899 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20203101231104 its reverse (40113210130202), we get a palindrome (60316311361306).

The spelling of 20203101231104 in words is "twenty trillion, two hundred three billion, one hundred one million, two hundred thirty-one thousand, one hundred four".