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20220323100 = 22352257262261
BaseRepresentation
bin10010110101001110…
…011010010100011100
31221012012002211201120
4102311032122110130
5312402400314400
613142235410540
71314035624205
oct226516322434
957165084646
1020220323100
11863693302a
123b038b3a50
131ba3229433
14d9b6785ac
157d528bca0
hex4b539a51c

20220323100 has 72 divisors (see below), whose sum is σ = 58732001328. Its totient is φ = 5371084800.

The previous prime is 20220323099. The next prime is 20220323111. The reversal of 20220323100 is 132302202.

It is a super-2 number, since 2×202203231002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20220323100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54031 + ... + 208230.

Almost surely, 220220323100 is an apocalyptic number.

20220323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220323100 is an abundant number, since it is smaller than the sum of its proper divisors (38511678228).

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

20220323100 is a wasteful number, since it uses less digits than its factorization.

20220323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262535 (or 262528 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20220323100 its reverse (132302202), we get a palindrome (20352625302).

The spelling of 20220323100 in words is "twenty billion, two hundred twenty million, three hundred twenty-three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 257 300 514 771 1028 1285 1542 2570 3084 3855 5140 6425 7710 12850 15420 19275 25700 38550 77100 262261 524522 786783 1049044 1311305 1573566 2622610 3147132 3933915 5245220 6556525 7867830 13113050 15735660 19669575 26226100 39339150 67401077 78678300 134802154 202203231 269604308 337005385 404406462 674010770 808812924 1011016155 1348021540 1685026925 2022032310 3370053850 4044064620 5055080775 6740107700 10110161550 20220323100