20135631064467 has 8 divisors (see below), whose sum is σ = 26847548349696. Its totient is φ = 13423733911112.

The previous prime is 20135631064429. The next prime is 20135631064501. The reversal of 20135631064467 is 76446013653102.

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 20135631064467 - 2¹⁴ = 20135631048083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20135631062467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519943 + ... + 6827984.

It is an arithmetic number, because the mean of its divisors is an integer number (3355943543712).

Almost surely, 2^{20135631064467} is an apocalyptic number.

20135631064467 is a deficient number, since it is larger than the sum of its proper divisors (6711917285229).

20135631064467 is an equidigital number, since it uses as much as digits as its factorization.

20135631064467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065937.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 20135631064467 in words is "twenty trillion, one hundred thirty-five billion, six hundred thirty-one million, sixty-four thousand, four hundred sixty-seven".