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20122001120 = 255139674039
BaseRepresentation
bin10010101111010111…
…010101111011100000
31220221100002120022202
4102233113111323200
5312202213013440
613124404152332
71311433121204
oct225727257340
956840076282
1020122001120
1185963882a1
123a969986a8
131b88a52650
14d8c5a2b04
157cb819615
hex4af5d5ee0

20122001120 has 48 divisors (see below), whose sum is σ = 51195019680. Its totient is φ = 7429661184.

The previous prime is 20122001083. The next prime is 20122001183. The reversal of 20122001120 is 2110022102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4834940 + ... + 4839099.

It is an arithmetic number, because the mean of its divisors is an integer number (1066562910).

Almost surely, 220122001120 is an apocalyptic number.

20122001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122001120 is an abundant number, since it is smaller than the sum of its proper divisors (31073018560).

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

20122001120 is a wasteful number, since it uses less digits than its factorization.

20122001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674067 (or 9674059 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20122001120 its reverse (2110022102), we get a palindrome (22232023222).

The spelling of 20122001120 in words is "twenty billion, one hundred twenty-two million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 9674039 19348078 38696156 48370195 77392312 96740390 125762507 154784624 193480780 251525014 309569248 386961560 503050028 628812535 773923120 1006100056 1257625070 1547846240 2012200112 2515250140 4024400224 5030500280 10061000560 20122001120