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20333220113 = 113601299401
BaseRepresentation
bin10010111011111101…
…000101000100010001
31221111001112121022102
4102323331011010101
5313120301020423
613201351250145
71316606343053
oct227375050421
957431477272
1020333220113
118694633248
123b35679955
131bc07372bb
14dac6658d3
157e013cc28
hex4bbf45111

20333220113 has 8 divisors (see below), whose sum is σ = 20547360456. Its totient is φ = 20119680000.

The previous prime is 20333220079. The next prime is 20333220161. The reversal of 20333220113 is 31102233302.

It can be written as a sum of positive squares in 4 ways, for example, as 1082212609 + 19251007504 = 32897^2 + 138748^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20333220113 - 210 = 20333219089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333220163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 81788 + ... + 217613.

It is an arithmetic number, because the mean of its divisors is an integer number (2568420057).

Almost surely, 220333220113 is an apocalyptic number.

It is an amenable number.

20333220113 is a deficient number, since it is larger than the sum of its proper divisors (214140343).

20333220113 is a wasteful number, since it uses less digits than its factorization.

20333220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300115.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20333220113 its reverse (31102233302), we get a palindrome (51435453415).

The spelling of 20333220113 in words is "twenty billion, three hundred thirty-three million, two hundred twenty thousand, one hundred thirteen".

Divisors: 1 113 601 67913 299401 33832313 179940001 20333220113