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20203221010 = 257288617443
BaseRepresentation
bin10010110100001101…
…001011000000010010
31221010222220222001211
4102310031023000102
5312334011033020
613140425050334
71313440354660
oct226415130022
957128828054
1020203221010
118628211a75
123aba0269aa
131b9c81c05b
14d992a5c30
157d3a0e85a
hex4b434b012

20203221010 has 16 divisors (see below), whose sum is σ = 41560911936. Its totient is φ = 6926818608.

The previous prime is 20203220993. The next prime is 20203221023. The reversal of 20203221010 is 1012230202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144308652 + ... + 144308791.

It is an arithmetic number, because the mean of its divisors is an integer number (2597556996).

Almost surely, 220203221010 is an apocalyptic number.

20203221010 is an abundant number, since it is smaller than the sum of its proper divisors (21357690926).

20203221010 is a wasteful number, since it uses less digits than its factorization.

20203221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288617457.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20203221010 its reverse (1012230202), we get a palindrome (21215451212).

The spelling of 20203221010 in words is "twenty billion, two hundred three million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 288617443 577234886 1443087215 2020322101 2886174430 4040644202 10101610505 20203221010