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20300022133 = 179291285381
BaseRepresentation
bin10010111001111110…
…011100000101110101
31221101202001222020121
4102321332130011311
5313033301202013
613154203531541
71316024224666
oct227176340565
957352058217
1020300022133
1186779190a6
123b26529bb1
131bb68b2821
14da80a336d
157dc28158d
hex4b9f9c175

20300022133 has 8 divisors (see below), whose sum is σ = 21517294680. Its totient is φ = 19085322240.

The previous prime is 20300022107. The next prime is 20300022143. The reversal of 20300022133 is 33122000302.

It can be written as a sum of positive squares in 4 ways, for example, as 705061809 + 19594960324 = 26553^2 + 139982^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20300022133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300022143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626898 + ... + 658483.

It is an arithmetic number, because the mean of its divisors is an integer number (2689661835).

Almost surely, 220300022133 is an apocalyptic number.

It is an amenable number.

20300022133 is a deficient number, since it is larger than the sum of its proper divisors (1217272547).

20300022133 is a wasteful number, since it uses less digits than its factorization.

20300022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286327.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20300022133 its reverse (33122000302), we get a palindrome (53422022435).

The spelling of 20300022133 in words is "twenty billion, three hundred million, twenty-two thousand, one hundred thirty-three".

Divisors: 1 17 929 15793 1285381 21851477 1194118949 20300022133