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222024020 = 22541270761
BaseRepresentation
bin11010011101111…
…01000101010100
3120110202222200212
431032331011110
5423314232040
634010424552
75334113231
oct1516750524
9513688625
10222024020
11104365a29
1262432158
1336cc8a7a
14216b6788
1514759d65
hexd3bd154

222024020 has 24 divisors (see below), whose sum is σ = 477624168. Its totient is φ = 86643200.

The previous prime is 222024017. The next prime is 222024031. The reversal of 222024020 is 20420222.

It can be written as a sum of positive squares in 4 ways, for example, as 33016516 + 189007504 = 5746^2 + 13748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222023986 and 222024004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134561 + ... + 136200.

It is an arithmetic number, because the mean of its divisors is an integer number (19901007).

Almost surely, 2222024020 is an apocalyptic number.

222024020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222024020 is an abundant number, since it is smaller than the sum of its proper divisors (255600148).

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

222024020 is a wasteful number, since it uses less digits than its factorization.

222024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270811 (or 270809 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 222024020 is about 14900.4704623713. The cubic root of 222024020 is about 605.5267320431.

Adding to 222024020 its reverse (20420222), we get a palindrome (242444242).

The spelling of 222024020 in words is "two hundred twenty-two million, twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 270761 541522 1083044 1353805 2707610 5415220 11101201 22202402 44404804 55506005 111012010 222024020