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2120223120 = 24358834263
BaseRepresentation
bin111111001100000…
…0000100110010000
312110202120111100020
41332120000212100
513320234114440
6550215423440
7103353412341
oct17630004620
95422514306
102120223120
119988a1014
124b2084b80
1327a34b9c2
141618320c8
15c620e3d0
hex7e600990

2120223120 has 40 divisors (see below), whose sum is σ = 6572692416. Its totient is φ = 565392768.

The previous prime is 2120223113. The next prime is 2120223151. The reversal of 2120223120 is 213220212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2120223120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4416892 + ... + 4417371.

Almost surely, 22120223120 is an apocalyptic number.

2120223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120223120 is an abundant number, since it is smaller than the sum of its proper divisors (4452469296).

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

2120223120 is a wasteful number, since it uses less digits than its factorization.

2120223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834279 (or 8834273 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2120223120 is about 46045.8805975084. The cubic root of 2120223120 is about 1284.6767232723.

Adding to 2120223120 its reverse (213220212), we get a palindrome (2333443332).

The spelling of 2120223120 in words is "two billion, one hundred twenty million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 8834263 17668526 26502789 35337052 44171315 53005578 70674104 88342630 106011156 132513945 141348208 176685260 212022312 265027890 353370520 424044624 530055780 706741040 1060111560 2120223120