20203101231110 has 64 divisors (see below), whose sum is σ = 42784142544000. Its totient is φ = 6865478516736.

The previous prime is 20203101231097. The next prime is 20203101231139. The reversal of 20203101231110 is 1113210130202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25674875 + ... + 26450054.

It is an arithmetic number, because the mean of its divisors is an integer number (668502227250).

Almost surely, 2^{20203101231110} is an apocalyptic number.

20203101231110 is an abundant number, since it is smaller than the sum of its proper divisors (22581041312890).

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

20203101231110 is a wasteful number, since it uses less digits than its factorization.

20203101231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52125070 (or 52125056 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20203101231110 its reverse (1113210130202), we get a palindrome (21316311361312).

The spelling of 20203101231110 in words is "twenty trillion, two hundred three billion, one hundred one million, two hundred thirty-one thousand, one hundred ten".