213020242434 has 12 divisors (see below), whose sum is σ = 461543858646. Its totient is φ = 71006747472.

The previous prime is 213020242427. The next prime is 213020242447. The reversal of 213020242434 is 434242020312.

213020242434 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 202 + 424 + 34 = 666.

213020242434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 160878803409 + 52141439025 = 401097^2 + 228345^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213020242398 and 213020242407.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5917228939 + ... + 5917228974.

Almost surely, 2^213020242434 is an apocalyptic number.

213020242434 is an abundant number, since it is smaller than the sum of its proper divisors (248523616212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213020242434 is a wasteful number, since it uses less digits than its factorization.

213020242434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834457921 (or 11834457918 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 213020242434 its reverse (434242020312), we get a palindrome (647262262746).

The spelling of 213020242434 in words is "two hundred thirteen billion, twenty million, two hundred forty-two thousand, four hundred thirty-four".