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20302242242 = 219153147231
BaseRepresentation
bin10010111010000110…
…111010000111000010
31221101220020202122212
4102322012322013002
5313034333222432
613154323302122
71316052132422
oct227206720702
957356222585
1020302242242
1186790a50a7
123b2721a942
131bb71ac1b9
14da84c0482
157dc56e2b2
hex4ba1ba1c2

20302242242 has 8 divisors (see below), whose sum is σ = 30612805632. Its totient is φ = 10097973700.

The previous prime is 20302242221. The next prime is 20302242253. The reversal of 20302242242 is 24224220302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26573234 + ... + 26573997.

It is an arithmetic number, because the mean of its divisors is an integer number (3826600704).

Almost surely, 220302242242 is an apocalyptic number.

20302242242 is a deficient number, since it is larger than the sum of its proper divisors (10310563390).

20302242242 is a wasteful number, since it uses less digits than its factorization.

20302242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53147424.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20302242242 its reverse (24224220302), we get a palindrome (44526462544).

The spelling of 20302242242 in words is "twenty billion, three hundred two million, two hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 191 382 53147231 106294462 10151121121 20302242242