20070434247667 has 4 divisors (see below), whose sum is σ = 20070478504960. Its totient is φ = 20070389990376.

The previous prime is 20070434247649. The next prime is 20070434247671. The reversal of 20070434247667 is 76674243407002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20070434247667 - 2³⁵ = 20036074509299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20070434247967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21441288 + ... + 22357765.

It is an arithmetic number, because the mean of its divisors is an integer number (5017619626240).

Almost surely, 2^{20070434247667} is an apocalyptic number.

20070434247667 is a deficient number, since it is larger than the sum of its proper divisors (44257293).

20070434247667 is an equidigital number, since it uses as much as digits as its factorization.

20070434247667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44257292.

The product of its (nonzero) digits is 9483264, while the sum is 52.

The spelling of 20070434247667 in words is "twenty trillion, seventy billion, four hundred thirty-four million, two hundred forty-seven thousand, six hundred sixty-seven".