20003512636433 has 8 divisors (see below), whose sum is σ = 20430075348480. Its totient is φ = 19576989760320.

The previous prime is 20003512636423. The next prime is 20003512636447. The reversal of 20003512636433 is 33463621530002.

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

It is a cyclic number.

It is not a de Polignac number, because 20003512636433 - 2⁶ = 20003512636369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003512636423) by changing a digit.

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, 8942888 + ... + 10953641.

It is an arithmetic number, because the mean of its divisors is an integer number (2553759418560).

Almost surely, 2^{20003512636433} is an apocalyptic number.

It is an amenable number.

20003512636433 is a deficient number, since it is larger than the sum of its proper divisors (426562712047).

20003512636433 is a wasteful number, since it uses less digits than its factorization.

20003512636433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19917967.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 20003512636433 in words is "twenty trillion, three billion, five hundred twelve million, six hundred thirty-six thousand, four hundred thirty-three".