2020123211 has 4 divisors (see below), whose sum is σ = 2020511592. Its totient is φ = 2019734832.

The previous prime is 2020123201. The next prime is 2020123253. The reversal of 2020123211 is 1123210202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020123211 - 2²⁶ = 1953014347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020123201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186281 + ... + 196826.

It is an arithmetic number, because the mean of its divisors is an integer number (505127898).

Almost surely, 2^2020123211 is an apocalyptic number.

2020123211 is a deficient number, since it is larger than the sum of its proper divisors (388381).

2020123211 is an equidigital number, since it uses as much as digits as its factorization.

2020123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388380.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2020123211 is about 44945.7807919720. The cubic root of 2020123211 is about 1264.1325659696.

Adding to 2020123211 its reverse (1123210202), we get a palindrome (3143333413).

The spelling of 2020123211 in words is "two billion, twenty million, one hundred twenty-three thousand, two hundred eleven".