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20222322220 = 2251011116111
BaseRepresentation
bin10010110101010110…
…000010011000101100
31221012022212102000001
4102311112002120230
5312403403302340
613142350314044
71314061621432
oct226526023054
957168772001
1020222322220
118637a78aa1
123b044b8924
131ba3779349
14d9ba38d52
157d553429a
hex4b558262c

20222322220 has 12 divisors (see below), whose sum is σ = 42466876704. Its totient is φ = 8088928880.

The previous prime is 20222322203. The next prime is 20222322221. The reversal of 20222322220 is 2222322202.

It is not an unprimeable number, because it can be changed into a prime (20222322221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505558036 + ... + 505558075.

It is an arithmetic number, because the mean of its divisors is an integer number (3538906392).

Almost surely, 220222322220 is an apocalyptic number.

20222322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222322220 is an abundant number, since it is smaller than the sum of its proper divisors (22244554484).

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

20222322220 is a wasteful number, since it uses less digits than its factorization.

20222322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011116120 (or 1011116118 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20222322220 its reverse (2222322202), we get a palindrome (22444644422).

The spelling of 20222322220 in words is "twenty billion, two hundred twenty-two million, three hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1011116111 2022232222 4044464444 5055580555 10111161110 20222322220