20135624650424 has 32 divisors (see below), whose sum is σ = 39023612708400. Its totient is φ = 9734922712320.

The previous prime is 20135624650397. The next prime is 20135624650447. The reversal of 20135624650424 is 42405642653102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349645157 + ... + 349702740.

Almost surely, 2^{20135624650424} is an apocalyptic number.

It is an amenable number.

20135624650424 is a deficient number, since it is larger than the sum of its proper divisors (18887988057976).

20135624650424 is a wasteful number, since it uses less digits than its factorization.

20135624650424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699348023 (or 699348019 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 20135624650424 in words is "twenty trillion, one hundred thirty-five billion, six hundred twenty-four million, six hundred fifty thousand, four hundred twenty-four".