220233021222420 has 36 divisors (see below), whose sum is σ = 668040164375220. Its totient is φ = 58728805659264.

The previous prime is 220233021222419. The next prime is 220233021222439. The reversal of 220233021222420 is 24222120332022.

220233021222420 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 3 + 3 + 0 + 212 + 22 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47816478182916 + 172416543039504 = 6914946^2 + 13130748^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×220233021222420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611758392105 + ... + 611758392464.

It is an arithmetic number, because the mean of its divisors is an integer number (18556671232645).

Almost surely, 2^{220233021222420} is an apocalyptic number.

220233021222420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220233021222420 is an abundant number, since it is smaller than the sum of its proper divisors (447807143152800).

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

220233021222420 is a wasteful number, since it uses less digits than its factorization.

220233021222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223516784584 (or 1223516784579 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 220233021222420 its reverse (24222120332022), we get a palindrome (244455141554442).

The spelling of 220233021222420 in words is "two hundred twenty trillion, two hundred thirty-three billion, twenty-one million, two hundred twenty-two thousand, four hundred twenty".