213202110220 has 48 divisors (see below), whose sum is σ = 491250015648. Its totient is φ = 77079887360.

The previous prime is 213202110181. The next prime is 213202110223. The reversal of 213202110220 is 22011202312.

It is a happy number.

It is a super-2 number, since 2×213202110220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213202110194 and 213202110203.

It is not an unprimeable number, because it can be changed into a prime (213202110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762809 + ... + 2838928.

It is an arithmetic number, because the mean of its divisors is an integer number (10234375326).

Almost surely, 2^213202110220 is an apocalyptic number.

213202110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213202110220 is an abundant number, since it is smaller than the sum of its proper divisors (278047905428).

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

213202110220 is a wasteful number, since it uses less digits than its factorization.

213202110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601930 (or 5601928 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 213202110220 its reverse (22011202312), we get a palindrome (235213312532).

The spelling of 213202110220 in words is "two hundred thirteen billion, two hundred two million, one hundred ten thousand, two hundred twenty".