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2120324320 = 25517779531
BaseRepresentation
bin111111001100001…
…1001010011100000
312110202202122011101
41332120121103200
513320300334240
6550221524144
7103354313362
oct17630312340
95422678141
102120324320
11998960054
124b2113654
1327a385a9a
1416185ad32
15c622e39a
hex7e6194e0

2120324320 has 48 divisors (see below), whose sum is σ = 5303935728. Its totient is φ = 798238720.

The previous prime is 2120324279. The next prime is 2120324321. The reversal of 2120324320 is 234230212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120324321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387046 + ... + 392485.

It is an arithmetic number, because the mean of its divisors is an integer number (110498661).

Almost surely, 22120324320 is an apocalyptic number.

2120324320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120324320 is an abundant number, since it is smaller than the sum of its proper divisors (3183611408).

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

2120324320 is a wasteful number, since it uses less digits than its factorization.

2120324320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779563 (or 779555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2120324320 is about 46046.9794883443. The cubic root of 2120324320 is about 1284.6971625074.

Adding to 2120324320 its reverse (234230212), we get a palindrome (2354554532).

The spelling of 2120324320 in words is "two billion, one hundred twenty million, three hundred twenty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 779531 1559062 3118124 3897655 6236248 7795310 12472496 13252027 15590620 24944992 26504054 31181240 53008108 62362480 66260135 106016216 124724960 132520270 212032432 265040540 424064864 530081080 1060162160 2120324320