212020222320 has 240 divisors, whose sum is σ = 731013783552. Its totient is φ = 55044380160.

The previous prime is 212020222301. The next prime is 212020222333. The reversal of 212020222320 is 23222020212.

212020222320 is a `hidden beast` number, since 2 + 120 + 2 + 0 + 222 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 212020222293 and 212020222302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6447039 + ... + 6479841.

Almost surely, 2^212020222320 is an apocalyptic number.

212020222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365506891776).

212020222320 is an abundant number, since it is smaller than the sum of its proper divisors (518993561232).

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

212020222320 is a wasteful number, since it uses less digits than its factorization.

212020222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33060 (or 33051 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 212020222320 its reverse (23222020212), we get a palindrome (235242242532).

The spelling of 212020222320 in words is "two hundred twelve billion, twenty million, two hundred twenty-two thousand, three hundred twenty".