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200130220 = 22510006511
BaseRepresentation
bin10111110110110…
…11111010101100
3111221120200001101
423323123322230
5402213131340
631505252444
74650036013
oct1373337254
9457520041
10200130220
11a2a71884
1257034124
1332601664
141c817a7a
1512882c9a
hexbedbeac

200130220 has 12 divisors (see below), whose sum is σ = 420273504. Its totient is φ = 80052080.

The previous prime is 200130197. The next prime is 200130221. The reversal of 200130220 is 22031002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200130197 and 200130206.

It is not an unprimeable number, because it can be changed into a prime (200130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5003236 + ... + 5003275.

It is an arithmetic number, because the mean of its divisors is an integer number (35022792).

Almost surely, 2200130220 is an apocalyptic number.

200130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200130220 is an abundant number, since it is smaller than the sum of its proper divisors (220143284).

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

200130220 is a wasteful number, since it uses less digits than its factorization.

200130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006520 (or 10006518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 200130220 is about 14146.7388468155. The cubic root of 200130220 is about 584.9304419695.

Adding to 200130220 its reverse (22031002), we get a palindrome (222161222).

The spelling of 200130220 in words is "two hundred million, one hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10006511 20013022 40026044 50032555 100065110 200130220