20170606071 has 32 divisors (see below), whose sum is σ = 33862381056. Its totient is φ = 10374480000.

The previous prime is 20170606051. The next prime is 20170606073. The reversal of 20170606071 is 17060607102.

It is a happy number.

It is not a de Polignac number, because 20170606071 - 2⁵ = 20170606039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20170606073) 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 31 ways as a sum of consecutive naturals, for example, 408940 + ... + 455601.

It is an arithmetic number, because the mean of its divisors is an integer number (1058199408).

Almost surely, 2^20170606071 is an apocalyptic number.

20170606071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20170606071 is a deficient number, since it is larger than the sum of its proper divisors (13691774985).

20170606071 is a wasteful number, since it uses less digits than its factorization.

20170606071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864663.

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 20170606071 in words is "twenty billion, one hundred seventy million, six hundred six thousand, seventy-one".