20906460071 has 8 divisors (see below), whose sum is σ = 23923082400. Its totient is φ = 17897334048.

The previous prime is 20906460067. The next prime is 20906460089. The reversal of 20906460071 is 17006460902.

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 20906460071 - 2² = 20906460067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20906430071) 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, 1868096 + ... + 1879253.

It is an arithmetic number, because the mean of its divisors is an integer number (2990385300).

Almost surely, 2^20906460071 is an apocalyptic number.

20906460071 is a deficient number, since it is larger than the sum of its proper divisors (3016622329).

20906460071 is an equidigital number, since it uses as much as digits as its factorization.

20906460071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748153.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 20906460071 in words is "twenty billion, nine hundred six million, four hundred sixty thousand, seventy-one".