20344033422555 has 32 divisors (see below), whose sum is σ = 33965971743744. Its totient is φ = 10378319546496.

The previous prime is 20344033422547. The next prime is 20344033422589. The reversal of 20344033422555 is 55522433044302.

It is not a de Polignac number, because 20344033422555 - 2³ = 20344033422547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75630157 + ... + 75898673.

It is an arithmetic number, because the mean of its divisors is an integer number (1061436616992).

Almost surely, 2^{20344033422555} is an apocalyptic number.

20344033422555 is a deficient number, since it is larger than the sum of its proper divisors (13621938321189).

20344033422555 is a wasteful number, since it uses less digits than its factorization.

20344033422555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488155.

The product of its (nonzero) digits is 1728000, while the sum is 42.

Adding to 20344033422555 its reverse (55522433044302), we get a palindrome (75866466466857).

The spelling of 20344033422555 in words is "twenty trillion, three hundred forty-four billion, thirty-three million, four hundred twenty-two thousand, five hundred fifty-five".