20003555134570 has 16 divisors (see below), whose sum is σ = 41150170562688. Its totient is φ = 6858361760400.

The previous prime is 20003555134561. The next prime is 20003555134613. The reversal of 20003555134570 is 7543155530002.

It is a happy 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, 142882536606 + ... + 142882536745.

It is an arithmetic number, because the mean of its divisors is an integer number (2571885660168).

Almost surely, 2^{20003555134570} is an apocalyptic number.

20003555134570 is an abundant number, since it is smaller than the sum of its proper divisors (21146615428118).

20003555134570 is a wasteful number, since it uses less digits than its factorization.

20003555134570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285765073365.

The product of its (nonzero) digits is 315000, while the sum is 40.

The spelling of 20003555134570 in words is "twenty trillion, three billion, five hundred fifty-five million, one hundred thirty-four thousand, five hundred seventy".