20270436182005 has 8 divisors (see below), whose sum is σ = 24667122340224. Its totient is φ = 15987949664400.

The previous prime is 20270436181987. The next prime is 20270436182021. The reversal of 20270436182005 is 50028163407202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20270436182005 - 2⁵ = 20270436181973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28549909761 + ... + 28549910470.

It is an arithmetic number, because the mean of its divisors is an integer number (3083390292528).

Almost surely, 2^{20270436182005} is an apocalyptic number.

It is an amenable number.

20270436182005 is a deficient number, since it is larger than the sum of its proper divisors (4396686158219).

20270436182005 is an equidigital number, since it uses as much as digits as its factorization.

20270436182005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57099820307.

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 20270436182005 its reverse (50028163407202), we get a palindrome (70298599589207).

The spelling of 20270436182005 in words is "twenty trillion, two hundred seventy billion, four hundred thirty-six million, one hundred eighty-two thousand, five".