20706711067 has 8 divisors (see below), whose sum is σ = 23666796000. Its totient is φ = 17747121984.

The previous prime is 20706711061. The next prime is 20706711073. The reversal of 20706711067 is 76011760702.

It is an interprime number because it is at equal distance from previous prime (20706711061) and next prime (20706711073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20706711067 - 2⁷ = 20706710939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20706711061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29692 + ... + 205657.

It is an arithmetic number, because the mean of its divisors is an integer number (2958349500).

Almost surely, 2^20706711067 is an apocalyptic number.

20706711067 is a deficient number, since it is larger than the sum of its proper divisors (2960084933).

20706711067 is a wasteful number, since it uses less digits than its factorization.

20706711067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247925.

The product of its (nonzero) digits is 24696, while the sum is 37.

The spelling of 20706711067 in words is "twenty billion, seven hundred six million, seven hundred eleven thousand, sixty-seven".