212020233330 has 64 divisors (see below), whose sum is σ = 517442774400. Its totient is φ = 55584721920.

The previous prime is 212020233317. The next prime is 212020233409. The reversal of 212020233330 is 33332020212.

It is a junction number, because it is equal to n+sod(n) for n = 212020233297 and 212020233306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3868861 + ... + 3923279.

It is an arithmetic number, because the mean of its divisors is an integer number (8085043350).

Almost surely, 2^212020233330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020233330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258721387200).

212020233330 is an abundant number, since it is smaller than the sum of its proper divisors (305422541070).

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

212020233330 is a wasteful number, since it uses less digits than its factorization.

212020233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56619.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 212020233330 its reverse (33332020212), we get a palindrome (245352253542).

The spelling of 212020233330 in words is "two hundred twelve billion, twenty million, two hundred thirty-three thousand, three hundred thirty".