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2220452020 = 225475940037
BaseRepresentation
bin1000010001011001…
…0110100010110100
312201202011122112201
42010112112202310
514021413431040
61004155554244
7106011350023
oct20426264264
95652148481
102220452020
11a3a429516
1251b75b984
13295042747
14170c828ba
15cee0ba9a
hex845968b4

2220452020 has 48 divisors (see below), whose sum is σ = 4842996480. Its totient is φ = 854528384.

The previous prime is 2220451997. The next prime is 2220452027. The reversal of 2220452020 is 202540222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220452027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35442 + ... + 75478.

It is an arithmetic number, because the mean of its divisors is an integer number (100895760).

Almost surely, 22220452020 is an apocalyptic number.

2220452020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220452020 is an abundant number, since it is smaller than the sum of its proper divisors (2622544460).

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

2220452020 is a wasteful number, since it uses less digits than its factorization.

2220452020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40152 (or 40150 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2220452020 is about 47121.6725085178. The cubic root of 2220452020 is about 1304.6092829713.

Adding to 2220452020 its reverse (202540222), we get a palindrome (2422992242).

The spelling of 2220452020 in words is "two billion, two hundred twenty million, four hundred fifty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 47 59 94 118 188 235 236 295 470 590 940 1180 2773 5546 11092 13865 27730 40037 55460 80074 160148 200185 400370 800740 1881739 2362183 3763478 4724366 7526956 9408695 9448732 11810915 18817390 23621830 37634780 47243660 111022601 222045202 444090404 555113005 1110226010 2220452020