20710864482415 has 4 divisors (see below), whose sum is σ = 24853037378904. Its totient is φ = 16568691585928.

The previous prime is 20710864482409. The next prime is 20710864482421. The reversal of 20710864482415 is 51428446801702.

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

It is an interprime number because it is at equal distance from previous prime (20710864482409) and next prime (20710864482421).

It is a cyclic number.

It is not a de Polignac number, because 20710864482415 - 2³⁹ = 20161108668527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071086448237 + ... + 2071086448246.

It is an arithmetic number, because the mean of its divisors is an integer number (6213259344726).

Almost surely, 2^{20710864482415} is an apocalyptic number.

20710864482415 is a deficient number, since it is larger than the sum of its proper divisors (4142172896489).

20710864482415 is an equidigital number, since it uses as much as digits as its factorization.

20710864482415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142172896488.

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 20710864482415 in words is "twenty trillion, seven hundred ten billion, eight hundred sixty-four million, four hundred eighty-two thousand, four hundred fifteen".