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20200030243 = 294091703063
BaseRepresentation
bin10010110100000001…
…000000000000100011
31221010202220212011021
4102310001000000203
5312332201431433
613140232430311
71313401265311
oct226401000043
957122825137
1020200030243
118626432778
123ab8b48397
131b9bc72923
14d98ab50b1
157d35ce22d
hex4b4040023

20200030243 has 8 divisors (see below), whose sum is σ = 20947687200. Its totient is φ = 19455780288.

The previous prime is 20200030223. The next prime is 20200030261. The reversal of 20200030243 is 34203000202.

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 20200030243 - 25 = 20200030211 is a prime.

It is a super-2 number, since 2×202000302432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200030223) 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, 839671 + ... + 863392.

It is an arithmetic number, because the mean of its divisors is an integer number (2618460900).

Almost surely, 220200030243 is an apocalyptic number.

20200030243 is a deficient number, since it is larger than the sum of its proper divisors (747656957).

20200030243 is a wasteful number, since it uses less digits than its factorization.

20200030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703501.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20200030243 its reverse (34203000202), we get a palindrome (54403030445).

The spelling of 20200030243 in words is "twenty billion, two hundred million, thirty thousand, two hundred forty-three".

Divisors: 1 29 409 11861 1703063 49388827 696552767 20200030243