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20344220302 = 272950108917
BaseRepresentation
bin10010111100100111…
…000010101010001110
31221111211020110201211
4102330213002222032
5313131110022202
613202423125034
71320102006430
oct227447025216
957454213654
1020344220302
11869a86690a
123b392a377a
131bc2ab91a3
14dadcca650
157e10b21d7
hex4bc9c2a8e

20344220302 has 16 divisors (see below), whose sum is σ = 36078420960. Its totient is φ = 8418297888.

The previous prime is 20344220261. The next prime is 20344220311. The reversal of 20344220302 is 20302244302.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 25054053 + ... + 25054864.

It is an arithmetic number, because the mean of its divisors is an integer number (2254901310).

Almost surely, 220344220302 is an apocalyptic number.

20344220302 is a deficient number, since it is larger than the sum of its proper divisors (15734200658).

20344220302 is a wasteful number, since it uses less digits than its factorization.

20344220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50108955.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20344220302 its reverse (20302244302), we get a palindrome (40646464604).

The spelling of 20344220302 in words is "twenty billion, three hundred forty-four million, two hundred twenty thousand, three hundred two".

Divisors: 1 2 7 14 29 58 203 406 50108917 100217834 350762419 701524838 1453158593 2906317186 10172110151 20344220302