20376401424665 has 64 divisors (see below), whose sum is σ = 29846794118400. Its totient is φ = 13149885772800.

The previous prime is 20376401424661. The next prime is 20376401424679. The reversal of 20376401424665 is 56642410467302.

It is not a de Polignac number, because 20376401424665 - 2² = 20376401424661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20376401424661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2602670 + ... + 6893960.

It is an arithmetic number, because the mean of its divisors is an integer number (466356158100).

Almost surely, 2^{20376401424665} is an apocalyptic number.

It is an amenable number.

20376401424665 is a deficient number, since it is larger than the sum of its proper divisors (9470392693735).

20376401424665 is a wasteful number, since it uses less digits than its factorization.

20376401424665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291578.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 20376401424665 in words is "twenty trillion, three hundred seventy-six billion, four hundred one million, four hundred twenty-four thousand, six hundred sixty-five".