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20122050 = 23521317607
BaseRepresentation
bin100110011000…
…0100111000010
31101212022021010
41030300213002
520122401200
61555141350
7333014604
oct114604702
941768233
1020122050
11103a3aa3
1268a4856
134226b50
14295b174
151b77150
hex13309c2

20122050 has 96 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 4654080.

The previous prime is 20122049. The next prime is 20122051. The reversal of 20122050 is 5022102.

It is an interprime number because it is at equal distance from previous prime (20122049) and next prime (20122051).

It is not an unprimeable number, because it can be changed into a prime (20122051) 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, 32847 + ... + 33453.

It is an arithmetic number, because the mean of its divisors is an integer number (593712).

Almost surely, 220122050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28498176).

20122050 is an abundant number, since it is smaller than the sum of its proper divisors (36874302).

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

20122050 is a wasteful number, since it uses less digits than its factorization.

20122050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20122050 is about 4485.7608050363. The cubic root of 20122050 is about 271.9928000545.

Adding to 20122050 its reverse (5022102), we get a palindrome (25144152).

The spelling of 20122050 in words is "twenty million, one hundred twenty-two thousand, fifty".

Divisors: 1 2 3 5 6 10 13 15 17 25 26 30 34 39 50 51 65 75 78 85 102 130 150 170 195 221 255 325 390 425 442 510 607 650 663 850 975 1105 1214 1275 1326 1821 1950 2210 2550 3035 3315 3642 5525 6070 6630 7891 9105 10319 11050 15175 15782 16575 18210 20638 23673 30350 30957 33150 39455 45525 47346 51595 61914 78910 91050 103190 118365 134147 154785 197275 236730 257975 268294 309570 394550 402441 515950 591825 670735 773925 804882 1183650 1341470 1547850 2012205 3353675 4024410 6707350 10061025 20122050