20201200111005 has 8 divisors (see below), whose sum is σ = 32321920177632. Its totient is φ = 10773973392528.

The previous prime is 20201200110997. The next prime is 20201200111021. The reversal of 20201200111005 is 50011100210202.

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

It is not a de Polignac number, because 20201200111005 - 2³ = 20201200110997 is a prime.

It is a super-2 number, since 2×20201200111005² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1346746674067 = 20201200111005 / (2 + 0 + 2 + 0 + 1 + 2 + 0 + 0 + 1 + 1 + 1 + 0 + 0 + 5).

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, 673373337019 + ... + 673373337048.

It is an arithmetic number, because the mean of its divisors is an integer number (4040240022204).

Almost surely, 2^{20201200111005} is an apocalyptic number.

It is an amenable number.

20201200111005 is a deficient number, since it is larger than the sum of its proper divisors (12120720066627).

20201200111005 is a wasteful number, since it uses less digits than its factorization.

20201200111005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346746674075.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 20201200111005 its reverse (50011100210202), we get a palindrome (70212300321207).

The spelling of 20201200111005 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred eleven thousand, five".