213020241 has 8 divisors (see below), whose sum is σ = 324602304. Its totient is φ = 121725840.

The previous prime is 213020233. The next prime is 213020257. The reversal of 213020241 is 142020312.

213020241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213020241 - 2³ = 213020233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213020241.

It is not an unprimeable number, because it can be changed into a prime (213020231) 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, 5071890 + ... + 5071931.

It is an arithmetic number, because the mean of its divisors is an integer number (40575288).

Almost surely, 2^213020241 is an apocalyptic number.

213020241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213020241 is a deficient number, since it is larger than the sum of its proper divisors (111582063).

213020241 is a wasteful number, since it uses less digits than its factorization.

213020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143831.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 213020241 is about 14595.2129480868. The cubic root of 213020241 is about 597.2281786177.

Adding to 213020241 its reverse (142020312), we get a palindrome (355040553).

The spelling of 213020241 in words is "two hundred thirteen million, twenty thousand, two hundred forty-one".