202113641 has 8 divisors (see below), whose sum is σ = 209962368. Its totient is φ = 194404000.

The previous prime is 202113619. The next prime is 202113649. The reversal of 202113641 is 146311202.

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 202113641 - 2¹⁴ = 202097257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202113649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31805 + ... + 37626.

It is an arithmetic number, because the mean of its divisors is an integer number (26245296).

Almost surely, 2^202113641 is an apocalyptic number.

It is an amenable number.

202113641 is a deficient number, since it is larger than the sum of its proper divisors (7848727).

202113641 is an equidigital number, since it uses as much as digits as its factorization.

202113641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69543.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 202113641 is about 14216.6677178585. The cubic root of 202113641 is about 586.8564406645.

Adding to 202113641 its reverse (146311202), we get a palindrome (348424843).

The spelling of 202113641 in words is "two hundred two million, one hundred thirteen thousand, six hundred forty-one".