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20203210023 = 3171873211501
BaseRepresentation
bin10010110100001101…
…001000010100100111
31221010222220101222220
4102310031020110213
5312334010210043
613140424523423
71313440310643
oct226415102447
957128811886
1020203210023
118628204797
123aba020573
131b9c817059
14d992a1c23
157d3a0b483
hex4b4348527

20203210023 has 16 divisors (see below), whose sum is σ = 28537541856. Its totient is φ = 12669696000.

The previous prime is 20203210019. The next prime is 20203210031. The reversal of 20203210023 is 32001230202.

It is not a de Polignac number, because 20203210023 - 22 = 20203210019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20203209984 and 20203210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203210063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10228 + ... + 201273.

It is an arithmetic number, because the mean of its divisors is an integer number (1783596366).

Almost surely, 220203210023 is an apocalyptic number.

20203210023 is a deficient number, since it is larger than the sum of its proper divisors (8334331833).

20203210023 is a wasteful number, since it uses less digits than its factorization.

20203210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213394.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20203210023 its reverse (32001230202), we get a palindrome (52204440225).

The spelling of 20203210023 in words is "twenty billion, two hundred three million, two hundred ten thousand, twenty-three".

Divisors: 1 3 17 51 1873 5619 31841 95523 211501 634503 3595517 10786551 396141373 1188424119 6734403341 20203210023