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120102102210020 = 22575112131678111
BaseRepresentation
bin11011010011101101110011…
…001000111001010111100100
3120202020122112000002201012112
4123103231303020321113210
5111220223101131210040
61103234051041340152
734204043024512640
oct3323556310712744
9522218460081175
10120102102210020
11352a5019707867
1211578713037658
13520276c61c168
142192d89393c20
15dd41e81e2365
hex6d3b732395e4

120102102210020 has 48 divisors (see below), whose sum is σ = 288245780917248. Its totient is φ = 41177758527360.

The previous prime is 120102102209953. The next prime is 120102102210031. The reversal of 120102102210020 is 20012201201021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120102102209977 and 120102102210004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70730765 + ... + 72408875.

It is an arithmetic number, because the mean of its divisors is an integer number (6005120435776).

Almost surely, 2120102102210020 is an apocalyptic number.

120102102210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102102210020 is an abundant number, since it is smaller than the sum of its proper divisors (168143678707228).

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

120102102210020 is a wasteful number, since it uses less digits than its factorization.

120102102210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189340 (or 2189338 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120102102210020 its reverse (20012201201021), we get a palindrome (140114303411041).

The spelling of 120102102210020 in words is "one hundred twenty trillion, one hundred two billion, one hundred two million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 511213 1022426 1678111 2044852 2556065 3356222 3578491 5112130 6712444 7156982 8390555 10224260 11746777 14313964 16781110 17892455 23493554 33562220 35784910 46987108 58733885 71569820 117467770 234935540 857872158643 1715744317286 3431488634572 4289360793215 6005105110501 8578721586430 12010210221002 17157443172860 24020420442004 30025525552505 60051051105010 120102102210020