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2000542220 = 2253110331327
BaseRepresentation
bin111011100111101…
…1101101000001100
312011102101002000022
41313033131220030
513044114322340
6530302321312
7100401220415
oct16717355014
95142332008
102000542220
11937287a86
12479b89238
1325b6070c1
1414d99a80c
15ba96d3b5
hex773dda0c

2000542220 has 48 divisors (see below), whose sum is σ = 4378902528. Its totient is φ = 766860480.

The previous prime is 2000542217. The next prime is 2000542223. The reversal of 2000542220 is 222450002.

It is an interprime number because it is at equal distance from previous prime (2000542217) and next prime (2000542223).

It is not an unprimeable number, because it can be changed into a prime (2000542223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48197 + ... + 79523.

It is an arithmetic number, because the mean of its divisors is an integer number (91227136).

Almost surely, 22000542220 is an apocalyptic number.

2000542220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000542220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2189451264).

2000542220 is an abundant number, since it is smaller than the sum of its proper divisors (2378360308).

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

2000542220 is a wasteful number, since it uses less digits than its factorization.

2000542220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31470 (or 31468 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2000542220 is about 44727.4213430643. The cubic root of 2000542220 is about 1260.0348986723.

Adding to 2000542220 its reverse (222450002), we get a palindrome (2222992222).

The spelling of 2000542220 in words is "two billion, five hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 103 124 155 206 310 412 515 620 1030 2060 3193 6386 12772 15965 31327 31930 62654 63860 125308 156635 313270 626540 971137 1942274 3226681 3884548 4855685 6453362 9711370 12906724 16133405 19422740 32266810 64533620 100027111 200054222 400108444 500135555 1000271110 2000542220