Search a number
-
+
20142340120 = 2357157458197
BaseRepresentation
bin10010110000100100…
…111011100000011000
31220222202100220012001
4102300210323200120
5312222414340440
613130412130344
71312101031450
oct226044734030
956882326161
1020142340120
1185a690a291
123aa17669b4
131b90024166
14d91178d60
157cd4d5b9a
hex4b093b818

20142340120 has 64 divisors (see below), whose sum is σ = 52124604480. Its totient is φ = 6861943296.

The previous prime is 20142340111. The next prime is 20142340147. The reversal of 20142340120 is 2104324102.

It is a super-2 number, since 2×201423401202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 185139 + ... + 273058.

It is an arithmetic number, because the mean of its divisors is an integer number (814446945).

Almost surely, 220142340120 is an apocalyptic number.

20142340120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20142340120 is an abundant number, since it is smaller than the sum of its proper divisors (31982264360).

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

20142340120 is a wasteful number, since it uses less digits than its factorization.

20142340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458372 (or 458368 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20142340120 its reverse (2104324102), we get a palindrome (22246664222).

The spelling of 20142340120 in words is "twenty billion, one hundred forty-two million, three hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 157 280 314 628 785 1099 1256 1570 2198 3140 4396 5495 6280 8792 10990 21980 43960 458197 916394 1832788 2290985 3207379 3665576 4581970 6414758 9163940 12829516 16036895 18327880 25659032 32073790 64147580 71936929 128295160 143873858 287747716 359684645 503558503 575495432 719369290 1007117006 1438738580 2014234012 2517792515 2877477160 4028468024 5035585030 10071170060 20142340120