20003513140475 has 24 divisors (see below), whose sum is σ = 24933793257120. Its totient is φ = 15919474475520.

The previous prime is 20003513140447. The next prime is 20003513140493. The reversal of 20003513140475 is 57404131530002.

It is not a de Polignac number, because 20003513140475 - 2²² = 20003508946171 is a prime.

It is a super-2 number, since 2×20003513140475² (a number of 27 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 2516147 + ... + 6807203.

It is an arithmetic number, because the mean of its divisors is an integer number (1038908052380).

Almost surely, 2^{20003513140475} is an apocalyptic number.

20003513140475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20003513140475 is a deficient number, since it is larger than the sum of its proper divisors (4930280116645).

20003513140475 is a wasteful number, since it uses less digits than its factorization.

20003513140475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292039 (or 4292034 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 20003513140475 its reverse (57404131530002), we get a palindrome (77407644670477).

The spelling of 20003513140475 in words is "twenty trillion, three billion, five hundred thirteen million, one hundred forty thousand, four hundred seventy-five".