220212212021120 has 128 divisors (see below), whose sum is σ = 574313620053600. Its totient is φ = 80075748474880.

The previous prime is 220212212021119. The next prime is 220212212021129. The reversal of 220212212021120 is 21120212212022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220212212021092 and 220212212021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212212021129) 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, 448463096 + ... + 448953864.

Almost surely, 2^{220212212021120} is an apocalyptic number.

220212212021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212212021120 is an abundant number, since it is smaller than the sum of its proper divisors (354101408032480).

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

220212212021120 is a wasteful number, since it uses less digits than its factorization.

220212212021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554536 (or 554524 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220212212021120 its reverse (21120212212022), we get a palindrome (241332424233142).

The spelling of 220212212021120 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twelve million, twenty-one thousand, one hundred twenty".