212020210022220 has 144 divisors (see below), whose sum is σ = 670447045981440. Its totient is φ = 54173161152000.

The previous prime is 212020210022209. The next prime is 212020210022293. The reversal of 212020210022220 is 22220012020212.

212020210022220 is a `hidden beast` number, since 2 + 120 + 202 + 100 + 22 + 220 = 666.

212020210022220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 212020210022193 and 212020210022202.

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, 187537675 + ... + 188664834.

It is an arithmetic number, because the mean of its divisors is an integer number (4655882263760).

Almost surely, 2^{212020210022220} is an apocalyptic number.

212020210022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020210022220 is an abundant number, since it is smaller than the sum of its proper divisors (458426835959220).

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

212020210022220 is a wasteful number, since it uses less digits than its factorization.

212020210022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376202656 (or 376202651 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212020210022220 its reverse (22220012020212), we get a palindrome (234240222042432).

The spelling of 212020210022220 in words is "two hundred twelve trillion, twenty billion, two hundred ten million, twenty-two thousand, two hundred twenty".