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20220300220 = 22543120119577
BaseRepresentation
bin10010110101001110…
…010100101110111100
31221012012001200100011
4102311032110232330
5312402344101340
613142235113004
71314035500411
oct226516245674
957165050304
1020220300220
11863691791a
123b038a2764
131ba321bbb3
14d9b670108
157d52850ea
hex4b5394bbc

20220300220 has 48 divisors (see below), whose sum is σ = 43488533088. Its totient is φ = 7893043200.

The previous prime is 20220300211. The next prime is 20220300229. The reversal of 20220300220 is 2200302202.

It is an interprime number because it is at equal distance from previous prime (20220300211) and next prime (20220300229).

It is a self number, because there is not a number n which added to its sum of digits gives 20220300220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220300229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023072 + ... + 1042648.

It is an arithmetic number, because the mean of its divisors is an integer number (906011106).

Almost surely, 220220300220 is an apocalyptic number.

20220300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220300220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21744266544).

20220300220 is an abundant number, since it is smaller than the sum of its proper divisors (23268232868).

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

20220300220 is a wasteful number, since it uses less digits than its factorization.

20220300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20830 (or 20828 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20220300220 its reverse (2200302202), we get a palindrome (22420602422).

The spelling of 20220300220 in words is "twenty billion, two hundred twenty million, three hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1201 2402 4804 6005 12010 19577 24020 39154 51643 78308 97885 103286 195770 206572 258215 391540 516430 841811 1032860 1683622 3367244 4209055 8418110 16836220 23511977 47023954 94047908 117559885 235119770 470239540 1011015011 2022030022 4044060044 5055075055 10110150110 20220300220