20071040467 has 8 divisors (see below), whose sum is σ = 20100427776. Its totient is φ = 20041673352.

The previous prime is 20071040453. The next prime is 20071040477. The reversal of 20071040467 is 76404017002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20071040467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20071040477) 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, 3896988 + ... + 3902134.

It is an arithmetic number, because the mean of its divisors is an integer number (2512553472).

Almost surely, 2^20071040467 is an apocalyptic number.

20071040467 is a deficient number, since it is larger than the sum of its proper divisors (29387309).

20071040467 is an equidigital number, since it uses as much as digits as its factorization.

20071040467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097.

The product of its (nonzero) digits is 9408, while the sum is 31.

Adding to 20071040467 its reverse (76404017002), we get a palindrome (96475057469).

The spelling of 20071040467 in words is "twenty billion, seventy-one million, forty thousand, four hundred sixty-seven".