Search a number
-
+
20352202050 = 23522310954121
BaseRepresentation
bin10010111101000101…
…011111010101000010
31221112101020222122010
4102331011133111002
5313140130431200
613203310153350
71320226602015
oct227505372502
957471228563
1020352202050
1186a43186a4
123b3bab2856
131bc465220b
14db0da737c
157e1b3c150
hex4bd15f542

20352202050 has 96 divisors (see below), whose sum is σ = 53152133760. Its totient is φ = 5143564800.

The previous prime is 20352202049. The next prime is 20352202061. The reversal of 20352202050 is 5020225302.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348990 + ... + 403110.

It is an arithmetic number, because the mean of its divisors is an integer number (553668060).

Almost surely, 220352202050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20352202050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26576066880).

20352202050 is an abundant number, since it is smaller than the sum of its proper divisors (32799931710).

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

20352202050 is a wasteful number, since it uses less digits than its factorization.

20352202050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54268 (or 54263 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

Adding to 20352202050 its reverse (5020225302), we get a palindrome (25372427352).

The spelling of 20352202050 in words is "twenty billion, three hundred fifty-two million, two hundred two thousand, fifty".

Divisors: 1 2 3 5 6 10 15 23 25 30 46 50 69 75 109 115 138 150 218 230 327 345 545 575 654 690 1090 1150 1635 1725 2507 2725 3270 3450 5014 5450 7521 8175 12535 15042 16350 25070 37605 54121 62675 75210 108242 125350 162363 188025 270605 324726 376050 541210 811815 1244783 1353025 1623630 2489566 2706050 3734349 4059075 5899189 6223915 7468698 8118150 11798378 12447830 17697567 18671745 29495945 31119575 35395134 37343490 58991890 62239150 88487835 93358725 135681347 147479725 176975670 186717450 271362694 294959450 407044041 442439175 678406735 814088082 884878350 1356813470 2035220205 3392033675 4070440410 6784067350 10176101025 20352202050