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20220303222 = 232710112712511
BaseRepresentation
bin10010110101001110…
…010101011101110110
31221012012001211110100
4102311032111131312
5312402344200342
613142235134530
71314035512230
oct226516253566
957165054410
1020220303222
11863691a0a9
123b038a4446
131ba3220382
14d9b671250
157d5285e4c
hex4b5395776

20220303222 has 96 divisors (see below), whose sum is σ = 50967281664. Its totient is φ = 5674536000.

The previous prime is 20220303083. The next prime is 20220303223. The reversal of 20220303222 is 22230302202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20220303195 and 20220303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220303223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1609947 + ... + 1622457.

It is an arithmetic number, because the mean of its divisors is an integer number (530909184).

Almost surely, 220220303222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220303222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25483640832).

20220303222 is an abundant number, since it is smaller than the sum of its proper divisors (30746978442).

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

20220303222 is a wasteful number, since it uses less digits than its factorization.

20220303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754 (or 12751 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20220303222 its reverse (22230302202), we get a palindrome (42450605424).

The spelling of 20220303222 in words is "twenty billion, two hundred twenty million, three hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 101 126 127 202 254 303 381 606 707 762 889 909 1143 1414 1778 1818 2121 2286 2667 4242 5334 6363 8001 12511 12726 12827 16002 25022 25654 37533 38481 75066 76962 87577 89789 112599 115443 175154 179578 225198 230886 262731 269367 525462 538734 788193 808101 1263611 1576386 1588897 1616202 2527222 3177794 3790833 4766691 7581666 8845277 9533382 11122279 11372499 14300073 17690554 22244558 22744998 26535831 28600146 33366837 53071662 66733674 79607493 100100511 159214986 160478597 200201022 320957194 481435791 962871582 1123350179 1444307373 2246700358 2888614746 3370050537 6740101074 10110151611 20220303222