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20340210120 = 2335888719073
BaseRepresentation
bin10010111100010111…
…101111100111001000
31221111112200201210120
4102330113233213020
5313124043210440
613202201143240
71320022635066
oct227427574710
957445621716
1020340210120
118698577a0a
123b37a8ab20
131bc2013ab9
14dad565036
157e0a6ddd0
hex4bc5ef9c8

20340210120 has 64 divisors (see below), whose sum is σ = 61030696320. Its totient is φ = 5423161344.

The previous prime is 20340210113. The next prime is 20340210157. The reversal of 20340210120 is 2101204302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20340210120.

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, 1056904 + ... + 1075976.

It is an arithmetic number, because the mean of its divisors is an integer number (953604630).

Almost surely, 220340210120 is an apocalyptic number.

20340210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20340210120 is an abundant number, since it is smaller than the sum of its proper divisors (40690486200).

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

20340210120 is a wasteful number, since it uses less digits than its factorization.

20340210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27974 (or 27970 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20340210120 its reverse (2101204302), we get a palindrome (22441414422).

The spelling of 20340210120 in words is "twenty billion, three hundred forty million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 8887 17774 19073 26661 35548 38146 44435 53322 57219 71096 76292 88870 95365 106644 114438 133305 152584 177740 190730 213288 228876 266610 286095 355480 381460 457752 533220 572190 762920 1066440 1144380 2288760 169501751 339003502 508505253 678007004 847508755 1017010506 1356014008 1695017510 2034021012 2542526265 3390035020 4068042024 5085052530 6780070040 10170105060 20340210120