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20200232311 = 721405729327
BaseRepresentation
bin10010110100000001…
…110001010101110111
31221010210022010100021
4102310001301111313
5312332224413221
613140241030011
71313403066400
oct226401612567
957123263307
1020200232311
118626560576
123ab9025307
131b9c0138ac
14d98b289a7
157d361e041
hex4b4071577

20200232311 has 12 divisors (see below), whose sum is σ = 23500702368. Its totient is φ = 17312662752.

The previous prime is 20200232293. The next prime is 20200232317. The reversal of 20200232311 is 11323200202.

It is not a de Polignac number, because 20200232311 - 25 = 20200232279 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 (20200232317) 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 in 11 ways as a sum of consecutive naturals, for example, 674130 + ... + 703456.

It is an arithmetic number, because the mean of its divisors is an integer number (1958391864).

Almost surely, 220200232311 is an apocalyptic number.

20200232311 is a deficient number, since it is larger than the sum of its proper divisors (3300470057).

20200232311 is a wasteful number, since it uses less digits than its factorization.

20200232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43398 (or 43391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20200232311 its reverse (11323200202), we get a palindrome (31523432513).

The spelling of 20200232311 in words is "twenty billion, two hundred million, two hundred thirty-two thousand, three hundred eleven".

Divisors: 1 7 49 14057 29327 98399 205289 688793 1437023 412249639 2885747473 20200232311