2020010121205 has 8 divisors (see below), whose sum is σ = 2436571795032. Its totient is φ = 1607634997248.

The previous prime is 2020010121191. The next prime is 2020010121247. The reversal of 2020010121205 is 5021210100202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61552617604 + 1958457503601 = 248098^2 + 1399449^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2020010121205 - 2¹³ = 2020010113013 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, 1046636404 + ... + 1046638333.

It is an arithmetic number, because the mean of its divisors is an integer number (304571474379).

Almost surely, 2^{2020010121205} is an apocalyptic number.

It is an amenable number.

2020010121205 is a deficient number, since it is larger than the sum of its proper divisors (416561673827).

2020010121205 is a wasteful number, since it uses less digits than its factorization.

2020010121205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093274935.

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

Adding to 2020010121205 its reverse (5021210100202), we get a palindrome (7041220221407).

The spelling of 2020010121205 in words is "two trillion, twenty billion, ten million, one hundred twenty-one thousand, two hundred five".