20236603673 has 24 divisors (see below), whose sum is σ = 23920764480. Its totient is φ = 16970640960.

The previous prime is 20236603649. The next prime is 20236603679. The reversal of 20236603673 is 37630663202.

It is a happy number.

It is not a de Polignac number, because 20236603673 - 2⁶ = 20236603609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20236603679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4111508 + ... + 4116426.

It is an arithmetic number, because the mean of its divisors is an integer number (996698520).

Almost surely, 2^20236603673 is an apocalyptic number.

It is an amenable number.

20236603673 is a deficient number, since it is larger than the sum of its proper divisors (3684160807).

20236603673 is a wasteful number, since it uses less digits than its factorization.

20236603673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169 (or 7156 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 20236603673 in words is "twenty billion, two hundred thirty-six million, six hundred three thousand, six hundred seventy-three".