20344135461215 has 8 divisors (see below), whose sum is σ = 24412999449600. Its totient is φ = 16275283771552.

The previous prime is 20344135461197. The next prime is 20344135461259. The reversal of 20344135461215 is 51216453144302.

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 20344135461215 - 2¹² = 20344135457119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073186 + ... + 6468384.

It is an arithmetic number, because the mean of its divisors is an integer number (3051624931200).

Almost surely, 2^{20344135461215} is an apocalyptic number.

20344135461215 is a deficient number, since it is larger than the sum of its proper divisors (4068863988385).

20344135461215 is an equidigital number, since it uses as much as digits as its factorization.

20344135461215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149361.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 20344135461215 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-five million, four hundred sixty-one thousand, two hundred fifteen".