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103220020020 = 223513376935111
BaseRepresentation
bin110000000100001100…
…1001000001100110100
3100212102120200022022110
41200020121020030310
53142343311120040
6115230231131020
710312613456655
oct1401031101464
9325376608273
10103220020020
113a859012877
1218008213a70
13996c96a830
144dd297b52c
152a41c8e980
hex1808648334

103220020020 has 96 divisors (see below), whose sum is σ = 311339508480. Its totient is φ = 25400540160.

The previous prime is 103220020019. The next prime is 103220020037. The reversal of 103220020020 is 20020022301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103220019978 and 103220020005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2922265 + ... + 2957375.

It is an arithmetic number, because the mean of its divisors is an integer number (3243119880).

Almost surely, 2103220020020 is an apocalyptic number.

103220020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103220020020 is an abundant number, since it is smaller than the sum of its proper divisors (208119488460).

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

103220020020 is a wasteful number, since it uses less digits than its factorization.

103220020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38905 (or 38903 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 103220020020 its reverse (20020022301), we get a palindrome (123240042321).

The spelling of 103220020020 in words is "one hundred three billion, two hundred twenty million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 3769 7538 11307 15076 18845 22614 35111 37690 45228 48997 56535 70222 75380 97994 105333 113070 140444 146991 175555 195988 210666 226140 244985 293982 351110 421332 456443 489970 526665 587964 702220 734955 912886 979940 1053330 1369329 1469910 1825772 2106660 2282215 2738658 2939820 4564430 5477316 6846645 9128860 13693290 27386580 132333359 264666718 397000077 529333436 661666795 794000154 1323333590 1588000308 1720333667 1985000385 2646667180 3440667334 3970000770 5161001001 6881334668 7940001540 8601668335 10322002002 17203336670 20644004004 25805005005 34406673340 51610010010 103220020020