452020211 has 4 divisors (see below), whose sum is σ = 452169912. Its totient is φ = 451870512.

The previous prime is 452020193. The next prime is 452020229. The reversal of 452020211 is 112020254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112020254 = 2 ⋅56010127.

It is an interprime number because it is at equal distance from previous prime (452020193) and next prime (452020229).

It is a cyclic number.

It is not a de Polignac number, because 452020211 - 2²⁶ = 384911347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452020211.

It is not an unprimeable number, because it can be changed into a prime (452020271) 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, 70226 + ... + 76391.

It is an arithmetic number, because the mean of its divisors is an integer number (113042478).

Almost surely, 2^452020211 is an apocalyptic number.

452020211 is a deficient number, since it is larger than the sum of its proper divisors (149701).

452020211 is a wasteful number, since it uses less digits than its factorization.

452020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149700.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 452020211 is about 21260.7669428927. The cubic root of 452020211 is about 767.4544663470.

Adding to 452020211 its reverse (112020254), we get a palindrome (564040465).

The spelling of 452020211 in words is "four hundred fifty-two million, twenty thousand, two hundred eleven".