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120122020020 = 223519472241919
BaseRepresentation
bin110111111011111010…
…1001001000010110100
3102111001111202212111110
41233313311021002310
53432002214120040
6131103331435020
711451510215622
oct1576765110264
9374044685443
10120122020020
1146a41826612
121b344755a70
13b43456a872
145b5762a512
1531d0a59980
hex1bf7d490b4

120122020020 has 96 divisors (see below), whose sum is σ = 361576857600. Its totient is φ = 29700929664.

The previous prime is 120122019947. The next prime is 120122020037. The reversal of 120122020020 is 20020221021.

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 = 120122019978 and 120122020005.

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, 1067380 + ... + 1174539.

It is an arithmetic number, because the mean of its divisors is an integer number (3766425600).

Almost surely, 2120122020020 is an apocalyptic number.

120122020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122020020 is an abundant number, since it is smaller than the sum of its proper divisors (241454837580).

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

120122020020 is a wasteful number, since it uses less digits than its factorization.

120122020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241997 (or 2241995 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 120122020020 its reverse (20020221021), we get a palindrome (140142241041).

The spelling of 120122020020 in words is "one hundred twenty billion, one hundred twenty-two million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 47 57 60 76 94 95 114 141 188 190 228 235 282 285 380 470 564 570 705 893 940 1140 1410 1786 2679 2820 3572 4465 5358 8930 10716 13395 17860 26790 53580 2241919 4483838 6725757 8967676 11209595 13451514 22419190 26903028 33628785 42596461 44838380 67257570 85192922 105370193 127789383 134515140 170385844 210740386 212982305 255578766 316110579 421480772 425964610 511157532 526850965 632221158 638946915 851929220 1053701930 1264442316 1277893830 1580552895 2002033667 2107403860 2555787660 3161105790 4004067334 6006101001 6322211580 8008134668 10010168335 12012202002 20020336670 24024404004 30030505005 40040673340 60061010010 120122020020