20035144456655 has 32 divisors (see below), whose sum is σ = 25535323120320. Its totient is φ = 15038568110080.

The previous prime is 20035144456643. The next prime is 20035144456711. The reversal of 20035144456655 is 55665444153002.

It is not a de Polignac number, because 20035144456655 - 2²² = 20035140262351 is a prime.

It is a congruent number.

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, 62896085 + ... + 63213825.

It is an arithmetic number, because the mean of its divisors is an integer number (797978847510).

Almost surely, 2^{20035144456655} is an apocalyptic number.

20035144456655 is a deficient number, since it is larger than the sum of its proper divisors (5500178663665).

20035144456655 is a wasteful number, since it uses less digits than its factorization.

20035144456655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320059.

The product of its (nonzero) digits is 8640000, while the sum is 50.

The spelling of 20035144456655 in words is "twenty trillion, thirty-five billion, one hundred forty-four million, four hundred fifty-six thousand, six hundred fifty-five".