20202010011205 has 16 divisors (see below), whose sum is σ = 26446355870400. Its totient is φ = 14692321906560.

The previous prime is 20202010011203. The next prime is 20202010011217. The reversal of 20202010011205 is 50211001020202.

It is a happy number.

It is not a de Polignac number, because 20202010011205 - 2¹ = 20202010011203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202010011203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28421026 + ... + 29123164.

It is an arithmetic number, because the mean of its divisors is an integer number (1652897241900).

Almost surely, 2^{20202010011205} is an apocalyptic number.

It is an amenable number.

20202010011205 is a deficient number, since it is larger than the sum of its proper divisors (6244345859195).

20202010011205 is a wasteful number, since it uses less digits than its factorization.

20202010011205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225284.

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

Adding to 20202010011205 its reverse (50211001020202), we get a palindrome (70413011031407).

The spelling of 20202010011205 in words is "twenty trillion, two hundred two billion, ten million, eleven thousand, two hundred five".