20136903068 has 12 divisors (see below), whose sum is σ = 35337743280. Its totient is φ = 10040404992.

The previous prime is 20136903049. The next prime is 20136903079. The reversal of 20136903068 is 86030963102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7010021 + ... + 7012892.

It is an arithmetic number, because the mean of its divisors is an integer number (2944811940).

Almost surely, 2^20136903068 is an apocalyptic number.

It is an amenable number.

20136903068 is a deficient number, since it is larger than the sum of its proper divisors (15200840212).

20136903068 is a wasteful number, since it uses less digits than its factorization.

20136903068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14023276 (or 14023274 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 20136903068 in words is "twenty billion, one hundred thirty-six million, nine hundred three thousand, sixty-eight".