20003513164474 has 8 divisors (see below), whose sum is σ = 34291736853408. Its totient is φ = 8572934213340.

The previous prime is 20003513164463. The next prime is 20003513164511. The reversal of 20003513164474 is 47446131530002.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 714411184432 + ... + 714411184459.

It is an arithmetic number, because the mean of its divisors is an integer number (4286467106676).

Almost surely, 2^{20003513164474} is an apocalyptic number.

20003513164474 is a deficient number, since it is larger than the sum of its proper divisors (14288223688934).

20003513164474 is a wasteful number, since it uses less digits than its factorization.

20003513164474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428822368900.

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 20003513164474 its reverse (47446131530002), we get a palindrome (67449644694476).

The spelling of 20003513164474 in words is "twenty trillion, three billion, five hundred thirteen million, one hundred sixty-four thousand, four hundred seventy-four".