212020212200220 has 48 divisors (see below), whose sum is σ = 659618437957920. Its totient is φ = 56538723253248.

The previous prime is 212020212200213. The next prime is 212020212200227. The reversal of 212020212200220 is 22002212020212.

212020212200220 is a `hidden beast` number, since 2 + 1 + 20 + 202 + 1 + 220 + 0 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (212020212200213) and next prime (212020212200227).

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 = 212020212200193 and 212020212200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020212200227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196315010757 + ... + 196315011836.

It is an arithmetic number, because the mean of its divisors is an integer number (13742050790790).

Almost surely, 2^{212020212200220} is an apocalyptic number.

212020212200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020212200220 is an abundant number, since it is smaller than the sum of its proper divisors (447598225757700).

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

212020212200220 is a wasteful number, since it uses less digits than its factorization.

212020212200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392630022611 (or 392630022603 counting only the distinct ones).

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

Adding to 212020212200220 its reverse (22002212020212), we get a palindrome (234022424220432).

The spelling of 212020212200220 in words is "two hundred twelve trillion, twenty billion, two hundred twelve million, two hundred thousand, two hundred twenty".