Search a number
-
+
2000220120 = 233255556167
BaseRepresentation
bin111011100111000…
…1110111111011000
312011101202201011200
41313032032333120
513044024020440
6530251354200
7100365406353
oct16716167730
95141681150
102000220120
11937087a88
12479a52960
1325b523602
1414d91529a
15ba907c30
hex7738efd8

2000220120 has 48 divisors (see below), whose sum is σ = 6500716560. Its totient is φ = 533391936.

The previous prime is 2000220083. The next prime is 2000220133. The reversal of 2000220120 is 210220002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2777724 + ... + 2778443.

It is an arithmetic number, because the mean of its divisors is an integer number (135431595).

Almost surely, 22000220120 is an apocalyptic number.

2000220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000220120 is an abundant number, since it is smaller than the sum of its proper divisors (4500496440).

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

2000220120 is a wasteful number, since it uses less digits than its factorization.

2000220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556184 (or 5556177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2000220120 is about 44723.8204987007. The cubic root of 2000220120 is about 1259.9672705028.

Adding to 2000220120 its reverse (210220002), we get a palindrome (2210440122).

The spelling of 2000220120 in words is "two billion, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 5556167 11112334 16668501 22224668 27780835 33337002 44449336 50005503 55561670 66674004 83342505 100011006 111123340 133348008 166685010 200022012 222246680 250027515 333370020 400044024 500055030 666740040 1000110060 2000220120