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20122420322 = 213176803131
BaseRepresentation
bin10010101111011000…
…111100010001100010
31220221100212212100202
4102233120330101202
5312202314422242
613124421145202
71311436515314
oct225730742142
956840785322
1020122420322
118596644244
123a96b5b202
131b88b6b3b4
14d8c6717b4
157cb89d932
hex4af63c462

20122420322 has 8 divisors (see below), whose sum is σ = 30414040272. Its totient is φ = 9984406900.

The previous prime is 20122420319. The next prime is 20122420393. The reversal of 20122420322 is 22302422102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20122420294 and 20122420303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38401304 + ... + 38401827.

It is an arithmetic number, because the mean of its divisors is an integer number (3801755034).

Almost surely, 220122420322 is an apocalyptic number.

20122420322 is a deficient number, since it is larger than the sum of its proper divisors (10291619950).

20122420322 is a wasteful number, since it uses less digits than its factorization.

20122420322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76803264.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20122420322 its reverse (22302422102), we get a palindrome (42424842424).

The spelling of 20122420322 in words is "twenty billion, one hundred twenty-two million, four hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 131 262 76803131 153606262 10061210161 20122420322