20201100012205 has 16 divisors (see below), whose sum is σ = 28038153273984. Its totient is φ = 13685289094080.

The previous prime is 20201100012173. The next prime is 20201100012319. The reversal of 20201100012205 is 50221000110202.

It is a happy number.

It is not a de Polignac number, because 20201100012205 - 2⁵ = 20201100012173 is a prime.

It is a super-2 number, since 2×20201100012205² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3476950626 + ... + 3476956435.

It is an arithmetic number, because the mean of its divisors is an integer number (1752384579624).

Almost surely, 2^{20201100012205} is an apocalyptic number.

It is an amenable number.

20201100012205 is a deficient number, since it is larger than the sum of its proper divisors (7837053261779).

20201100012205 is an equidigital number, since it uses as much as digits as its factorization.

20201100012205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953907156.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 20201100012205 its reverse (50221000110202), we get a palindrome (70422100122407).

The spelling of 20201100012205 in words is "twenty trillion, two hundred one billion, one hundred million, twelve thousand, two hundred five".