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20333000023 = 79241314329
BaseRepresentation
bin10010111011111100…
…001111010101010111
31221111001010102101221
4102323330033111113
5313120222000043
613201342431211
71316604435310
oct227374172527
957431112357
1020333000023
1186944a2956
123b35592507
131bc068b07b
14dac609607
157e00e78ed
hex4bbf0f557

20333000023 has 8 divisors (see below), whose sum is σ = 23240302880. Its totient is φ = 17426344320.

The previous prime is 20333000003. The next prime is 20333000027. The reversal of 20333000023 is 32000033302.

It is a happy number.

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

It is not a de Polignac number, because 20333000023 - 225 = 20299445591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332999970 and 20333000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333000027) 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, 92478 + ... + 221851.

It is an arithmetic number, because the mean of its divisors is an integer number (2905037860).

Almost surely, 220333000023 is an apocalyptic number.

20333000023 is a deficient number, since it is larger than the sum of its proper divisors (2907302857).

20333000023 is an equidigital number, since it uses as much as digits as its factorization.

20333000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323577.

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20333000023 its reverse (32000033302), we get a palindrome (52333033325).

The spelling of 20333000023 in words is "twenty billion, three hundred thirty-three million, twenty-three", and thus it is an aban number.

Divisors: 1 7 9241 64687 314329 2200303 2904714289 20333000023