20435371067 has 12 divisors (see below), whose sum is σ = 22053459960. Its totient is φ = 18870354048.

The previous prime is 20435371037. The next prime is 20435371123. The reversal of 20435371067 is 76017353402.

It is not a de Polignac number, because 20435371067 - 2¹² = 20435366971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20435371067.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435371037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166217 + ... + 261722.

It is an arithmetic number, because the mean of its divisors is an integer number (1837788330).

Almost surely, 2^20435371067 is an apocalyptic number.

20435371067 is a deficient number, since it is larger than the sum of its proper divisors (1618088893).

20435371067 is an equidigital number, since it uses as much as digits as its factorization.

20435371067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428062 (or 428009 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 20435371067 in words is "twenty billion, four hundred thirty-five million, three hundred seventy-one thousand, sixty-seven".