202020413 has 4 divisors (see below), whose sum is σ = 230880480. Its totient is φ = 173160348.

The previous prime is 202020359. The next prime is 202020421. The reversal of 202020413 is 314020202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202020413 - 2¹² = 202016317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14430023 + ... + 14430036.

It is an arithmetic number, because the mean of its divisors is an integer number (57720120).

Almost surely, 2^202020413 is an apocalyptic number.

It is an amenable number.

202020413 is a deficient number, since it is larger than the sum of its proper divisors (28860067).

202020413 is an equidigital number, since it uses as much as digits as its factorization.

202020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28860066.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 202020413 is about 14213.3885122444. The cubic root of 202020413 is about 586.7661946256.

Adding to 202020413 its reverse (314020202), we get a palindrome (516040615).

The spelling of 202020413 in words is "two hundred two million, twenty thousand, four hundred thirteen".