20425355105005 has 128 divisors (see below), whose sum is σ = 27409429555200. Its totient is φ = 14546320588800.

The previous prime is 20425355104993. The next prime is 20425355105059. The reversal of 20425355105005 is 50050155352402.

It is not a de Polignac number, because 20425355105005 - 2⁷ = 20425355104877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8838317800 + ... + 8838320110.

It is an arithmetic number, because the mean of its divisors is an integer number (214136168400).

Almost surely, 2^{20425355105005} is an apocalyptic number.

It is an amenable number.

20425355105005 is a deficient number, since it is larger than the sum of its proper divisors (6984074450195).

20425355105005 is a wasteful number, since it uses less digits than its factorization.

20425355105005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 20425355105005 in words is "twenty trillion, four hundred twenty-five billion, three hundred fifty-five million, one hundred five thousand, five".