20352140445344 has 12 divisors (see below), whose sum is σ = 40068276501834. Its totient is φ = 10176070222656.

The previous prime is 20352140445313. The next prime is 20352140445409. The reversal of 20352140445344 is 44354404125302.

It can be written as a sum of positive squares in only one way, i.e., 19719816490000 + 632323955344 = 4440700^2 + 795188^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318002194427 + ... + 318002194490.

Almost surely, 2^{20352140445344} is an apocalyptic number.

It is an amenable number.

20352140445344 is a deficient number, since it is larger than the sum of its proper divisors (19716136056490).

20352140445344 is an equidigital number, since it uses as much as digits as its factorization.

20352140445344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636004388927 (or 636004388919 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

The spelling of 20352140445344 in words is "twenty trillion, three hundred fifty-two billion, one hundred forty million, four hundred forty-five thousand, three hundred forty-four".