213020020241 has 16 divisors (see below), whose sum is σ = 245880892800. Its totient is φ = 180775421568.

The previous prime is 213020020217. The next prime is 213020020243. The reversal of 213020020241 is 142020020312.

213020020241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-213020020241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213020020243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84260 + ... + 658133.

It is an arithmetic number, because the mean of its divisors is an integer number (15367555800).

Almost surely, 2^213020020241 is an apocalyptic number.

It is an amenable number.

213020020241 is a deficient number, since it is larger than the sum of its proper divisors (32860872559).

213020020241 is a wasteful number, since it uses less digits than its factorization.

213020020241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742808.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 213020020241 its reverse (142020020312), we get a palindrome (355040040553).

The spelling of 213020020241 in words is "two hundred thirteen billion, twenty million, twenty thousand, two hundred forty-one".