20005926936 has 32 divisors (see below), whose sum is σ = 51366571440. Its totient is φ = 6488408448.

The previous prime is 20005926901. The next prime is 20005926947. The reversal of 20005926936 is 63962950002.

It is a super-2 number, since 2×20005926936² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11263711 + ... + 11265486.

Almost surely, 2^20005926936 is an apocalyptic number.

It is an amenable number.

20005926936 is an abundant number, since it is smaller than the sum of its proper divisors (31360644504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20005926936 is a wasteful number, since it uses less digits than its factorization.

20005926936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22529243 (or 22529239 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 20005926936 in words is "twenty billion, five million, nine hundred twenty-six thousand, nine hundred thirty-six".