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2120220322 = 211273120017
BaseRepresentation
bin111111001011111…
…1111111010100010
312110202120100111121
41332113333322202
513320234022242
6550215402454
7103353401233
oct17627777242
95422510447
102120220322
11998899a00
124b208342a
1327a34a64c
1416183108a
15c620d667
hex7e5ffea2

2120220322 has 24 divisors (see below), whose sum is σ = 3543651468. Its totient is φ = 950526720.

The previous prime is 2120220313. The next prime is 2120220329. The reversal of 2120220322 is 2230220212.

It can be written as a sum of positive squares in 2 ways, for example, as 1925366641 + 194853681 = 43879^2 + 13959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120220296 and 2120220305.

It is not an unprimeable number, because it can be changed into a prime (2120220329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42343 + ... + 77674.

Almost surely, 22120220322 is an apocalyptic number.

2120220322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2120220322 is a deficient number, since it is larger than the sum of its proper divisors (1423431146).

2120220322 is a wasteful number, since it uses less digits than its factorization.

2120220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120114 (or 120103 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2120220322 is about 46045.8502147588. The cubic root of 2120220322 is about 1284.6761581546.

Adding to 2120220322 its reverse (2230220212), we get a palindrome (4350440534).

The spelling of 2120220322 in words is "two billion, one hundred twenty million, two hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 11 22 73 121 146 242 803 1606 8833 17666 120017 240034 1320187 2640374 8761241 14522057 17522482 29044114 96373651 192747302 1060110161 2120220322