20003512704475 has 6 divisors (see below), whose sum is σ = 24804355753580. Its totient is φ = 16002810163560.

The previous prime is 20003512704473. The next prime is 20003512704569. The reversal of 20003512704475 is 57440721530002.

It is not a de Polignac number, because 20003512704475 - 2¹ = 20003512704473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003512704473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400070254065 + ... + 400070254114.

Almost surely, 2^{20003512704475} is an apocalyptic number.

20003512704475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20003512704475 is a deficient number, since it is larger than the sum of its proper divisors (4800843049105).

20003512704475 is an equidigital number, since it uses as much as digits as its factorization.

20003512704475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800140508189 (or 800140508184 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 20003512704475 in words is "twenty trillion, three billion, five hundred twelve million, seven hundred four thousand, four hundred seventy-five".