20117069073 has 48 divisors (see below), whose sum is σ = 30833187840. Its totient is φ = 12619152000.

The previous prime is 20117069057. The next prime is 20117069081. The reversal of 20117069073 is 37096071102.

It is a happy number.

It is not a de Polignac number, because 20117069073 - 2⁴ = 20117069057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20117069083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2083968 + ... + 2093598.

It is an arithmetic number, because the mean of its divisors is an integer number (642358080).

Almost surely, 2^20117069073 is an apocalyptic number.

It is an amenable number.

20117069073 is a deficient number, since it is larger than the sum of its proper divisors (10716118767).

20117069073 is a wasteful number, since it uses less digits than its factorization.

20117069073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870 (or 9867 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The spelling of 20117069073 in words is "twenty billion, one hundred seventeen million, sixty-nine thousand, seventy-three".