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20333234309 is a prime number
BaseRepresentation
bin10010111011111101…
…001000100010000101
31221111001120022210012
4102323331020202011
5313120301444214
613201351440005
71316606432333
oct227375104205
957431508705
1020333234309
118694642983
123b35686005
131bc07408bb
14dac66ab53
157e014203e
hex4bbf48885

20333234309 has 2 divisors, whose sum is σ = 20333234310. Its totient is φ = 20333234308.

The previous prime is 20333234287. The next prime is 20333234357. The reversal of 20333234309 is 90343233302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15307133284 + 5026101025 = 123722^2 + 70895^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333234309 - 212 = 20333230213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20333234809) 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 as a sum of consecutive naturals, namely, 10166617154 + 10166617155.

It is an arithmetic number, because the mean of its divisors is an integer number (10166617155).

Almost surely, 220333234309 is an apocalyptic number.

It is an amenable number.

20333234309 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333234309 is an equidigital number, since it uses as much as digits as its factorization.

20333234309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 32.

The spelling of 20333234309 in words is "twenty billion, three hundred thirty-three million, two hundred thirty-four thousand, three hundred nine".