20018670035 has 16 divisors (see below), whose sum is σ = 29566036416. Its totient is φ = 12671157888.

The previous prime is 20018670031. The next prime is 20018670109. The reversal of 20018670035 is 53007681002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20018670035 - 2² = 20018670031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20018669983 and 20018670010.

It is not an unprimeable number, because it can be changed into a prime (20018670031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21998084 + ... + 21998993.

It is an arithmetic number, because the mean of its divisors is an integer number (1847877276).

Almost surely, 2^20018670035 is an apocalyptic number.

20018670035 is a deficient number, since it is larger than the sum of its proper divisors (9547366381).

20018670035 is a wasteful number, since it uses less digits than its factorization.

20018670035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43997102.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 20018670035 in words is "twenty billion, eighteen million, six hundred seventy thousand, thirty-five".