20336630426555 has 8 divisors (see below), whose sum is σ = 24461923156944. Its totient is φ = 16230659911200.

The previous prime is 20336630426473. The next prime is 20336630426591. The reversal of 20336630426555 is 55562403663302.

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

It is not a de Polignac number, because 20336630426555 - 2²⁰ = 20336629377979 is a prime.

It is a Duffinian 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, 4830551441 + ... + 4830555650.

It is an arithmetic number, because the mean of its divisors is an integer number (3057740394618).

Almost surely, 2^{20336630426555} is an apocalyptic number.

20336630426555 is a deficient number, since it is larger than the sum of its proper divisors (4125292730389).

20336630426555 is an equidigital number, since it uses as much as digits as its factorization.

20336630426555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661107517.

The product of its (nonzero) digits is 11664000, while the sum is 50.

The spelling of 20336630426555 in words is "twenty trillion, three hundred thirty-six billion, six hundred thirty million, four hundred twenty-six thousand, five hundred fifty-five".