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20323302122 = 210161651061
BaseRepresentation
bin10010111011010111…
…001111101011101010
31221110100212201101102
4102323113033223222
5313110231131442
613200354521402
71316426134454
oct227327175352
957410781342
1020323302122
118689a79762
123b32296262
131bbb673b76
14dab2032d4
157de32e232
hex4bb5cfaea

20323302122 has 4 divisors (see below), whose sum is σ = 30484953186. Its totient is φ = 10161651060.

The previous prime is 20323302049. The next prime is 20323302157. The reversal of 20323302122 is 22120332302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22120332302 = 211060166151.

It can be written as a sum of positive squares in only one way, i.e., 16114017481 + 4209284641 = 126941^2 + 64879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20323302094 and 20323302103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080825529 + ... + 5080825532.

Almost surely, 220323302122 is an apocalyptic number.

20323302122 is a deficient number, since it is larger than the sum of its proper divisors (10161651064).

20323302122 is a wasteful number, since it uses less digits than its factorization.

20323302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161651063.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20323302122 its reverse (22120332302), we get a palindrome (42443634424).

The spelling of 20323302122 in words is "twenty billion, three hundred twenty-three million, three hundred two thousand, one hundred twenty-two".

Divisors: 1 2 10161651061 20323302122