20003513166074 has 16 divisors (see below), whose sum is σ = 30147880989600. Its totient is φ = 9954220780560.

The previous prime is 20003513165983. The next prime is 20003513166137. The reversal of 20003513166074 is 47066131530002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35902877 + ... + 36455775.

It is an arithmetic number, because the mean of its divisors is an integer number (1884242561850).

Almost surely, 2^{20003513166074} is an apocalyptic number.

20003513166074 is a deficient number, since it is larger than the sum of its proper divisors (10144367823526).

20003513166074 is a wasteful number, since it uses less digits than its factorization.

20003513166074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638845.

The product of its (nonzero) digits is 90720, while the sum is 38.

Adding to 20003513166074 its reverse (47066131530002), we get a palindrome (67069644696076).

The spelling of 20003513166074 in words is "twenty trillion, three billion, five hundred thirteen million, one hundred sixty-six thousand, seventy-four".