20004356634177 has 16 divisors (see below), whose sum is σ = 28333870664000. Its totient is φ = 12518419212864.

The previous prime is 20004356634167. The next prime is 20004356634217. The reversal of 20004356634177 is 77143665340002.

It is not a de Polignac number, because 20004356634177 - 2⁶ = 20004356634113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004356634137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609872802 + ... + 1609885227.

It is an arithmetic number, because the mean of its divisors is an integer number (1770866916500).

Almost surely, 2^{20004356634177} is an apocalyptic number.

It is an amenable number.

20004356634177 is a deficient number, since it is larger than the sum of its proper divisors (8329514029823).

20004356634177 is a wasteful number, since it uses less digits than its factorization.

20004356634177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219758160.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 20004356634177 in words is "twenty trillion, four billion, three hundred fifty-six million, six hundred thirty-four thousand, one hundred seventy-seven".