220212000020 has 96 divisors (see below), whose sum is σ = 504771523200. Its totient is φ = 80381251584.

The previous prime is 220212000017. The next prime is 220212000061. The reversal of 220212000020 is 20000212022.

It is a junction number, because it is equal to n+sod(n) for n = 220211999965 and 220212000010.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1389191 + ... + 1539569.

It is an arithmetic number, because the mean of its divisors is an integer number (5258036700).

Almost surely, 2^220212000020 is an apocalyptic number.

220212000020 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 220212000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252385761600).

220212000020 is an abundant number, since it is smaller than the sum of its proper divisors (284559523180).

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

220212000020 is a wasteful number, since it uses less digits than its factorization.

220212000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150537 (or 150535 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 220212000020 its reverse (20000212022), we get a palindrome (240212212042).

The spelling of 220212000020 in words is "two hundred twenty billion, two hundred twelve million, twenty", and thus it is an aban number.