213002213220 has 96 divisors (see below), whose sum is σ = 662745968640. Its totient is φ = 56794383360.

The previous prime is 213002213209. The next prime is 213002213243. The reversal of 213002213220 is 22312200312.

213002213220 is a `hidden beast` number, since 21 + 300 + 2 + 21 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213002213193 and 213002213202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7103860 + ... + 7133780.

It is an arithmetic number, because the mean of its divisors is an integer number (6903603840).

Almost surely, 2^213002213220 is an apocalyptic number.

213002213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213002213220 is an abundant number, since it is smaller than the sum of its proper divisors (449743755420).

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

213002213220 is a wasteful number, since it uses less digits than its factorization.

213002213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43122 (or 43114 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213002213220 its reverse (22312200312), we get a palindrome (235314413532).

The spelling of 213002213220 in words is "two hundred thirteen billion, two million, two hundred thirteen thousand, two hundred twenty".