220212202100220 has 72 divisors (see below), whose sum is σ = 728702196047280. Its totient is φ = 53384776266240.

The previous prime is 220212202100201. The next prime is 220212202100239. The reversal of 220212202100220 is 22001202212022.

220212202100220 is a `hidden beast` number, since 2 + 2 + 0 + 212 + 20 + 210 + 0 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (220212202100201) and next prime (220212202100239).

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 = 220212202100193 and 220212202100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55609139965 + ... + 55609143924.

It is an arithmetic number, because the mean of its divisors is an integer number (10120863833990).

Almost surely, 2^{220212202100220} is an apocalyptic number.

220212202100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212202100220 is an abundant number, since it is smaller than the sum of its proper divisors (508489993947060).

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

220212202100220 is a wasteful number, since it uses less digits than its factorization.

220212202100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111218283915 (or 111218283910 counting only the distinct ones).

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

Adding to 220212202100220 its reverse (22001202212022), we get a palindrome (242213404312242).

The spelling of 220212202100220 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred two million, one hundred thousand, two hundred twenty".