20003555111150 has 24 divisors (see below), whose sum is σ = 40068659623944. Its totient is φ = 7385928040800.

The previous prime is 20003555111131. The next prime is 20003555111207. The reversal of 20003555111150 is 5111155530002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15387349436 + ... + 15387350735.

It is an arithmetic number, because the mean of its divisors is an integer number (1669527484331).

Almost surely, 2^{20003555111150} is an apocalyptic number.

20003555111150 is an abundant number, since it is smaller than the sum of its proper divisors (20065104512794).

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

20003555111150 is a wasteful number, since it uses less digits than its factorization.

20003555111150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30774700196 (or 30774700191 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 20003555111150 in words is "twenty trillion, three billion, five hundred fifty-five million, one hundred eleven thousand, one hundred fifty".