20266503617236 has 48 divisors (see below), whose sum is σ = 35601496358400. Its totient is φ = 10094730912000.

The previous prime is 20266503617201. The next prime is 20266503617287. The reversal of 20266503617236 is 63271630566202.

It is a self number, because there is not a number n which added to its sum of digits gives 20266503617236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359323040 + ... + 4359327688.

It is an arithmetic number, because the mean of its divisors is an integer number (741697840800).

Almost surely, 2^{20266503617236} is an apocalyptic number.

It is an amenable number.

20266503617236 is a deficient number, since it is larger than the sum of its proper divisors (15334992741164).

20266503617236 is a wasteful number, since it uses less digits than its factorization.

20266503617236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296 (or 8294 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 20266503617236 in words is "twenty trillion, two hundred sixty-six billion, five hundred three million, six hundred seventeen thousand, two hundred thirty-six".