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220222112020 = 22511011105601
BaseRepresentation
bin1100110100011001000…
…0101100000100010100
3210001102122202102011021
43031012100230010110
512102003330041040
6245100232050524
721624211031551
oct3150620540424
9701378672137
10220222112020
1185439706279
123681bb33a44
13179c7a23931
14a931aa3a28
155add96624a
hex334642c114

220222112020 has 12 divisors (see below), whose sum is σ = 462466435284. Its totient is φ = 88088844800.

The previous prime is 220222111979. The next prime is 220222112111. The reversal of 220222112020 is 20211222022.

220222112020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 154093932304 + 66128179716 = 392548^2 + 257154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220222111985 and 220222112003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505552781 + ... + 5505552820.

It is an arithmetic number, because the mean of its divisors is an integer number (38538869607).

Almost surely, 2220222112020 is an apocalyptic number.

220222112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222112020 is an abundant number, since it is smaller than the sum of its proper divisors (242244323264).

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

220222112020 is a wasteful number, since it uses less digits than its factorization.

220222112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011105610 (or 11011105608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220222112020 its reverse (20211222022), we get a palindrome (240433334042).

The spelling of 220222112020 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 11011105601 22022211202 44044422404 55055528005 110111056010 220222112020