213000020030 has 32 divisors (see below), whose sum is σ = 461233128960. Its totient is φ = 69184968480.

The previous prime is 213000019987. The next prime is 213000020053. The reversal of 213000020030 is 30020000312.

213000020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213000019993 and 213000020020.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 80073866 + ... + 80076525.

It is an arithmetic number, because the mean of its divisors is an integer number (14413535280).

Almost surely, 2^213000020030 is an apocalyptic number.

213000020030 is an abundant number, since it is smaller than the sum of its proper divisors (248233108930).

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

213000020030 is a wasteful number, since it uses less digits than its factorization.

213000020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160150424.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 213000020030 its reverse (30020000312), we get a palindrome (243020020342).

The spelling of 213000020030 in words is "two hundred thirteen billion, twenty thousand, thirty".