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20210022010 = 2553283713441
BaseRepresentation
bin10010110100100111…
…000111011001111010
31221011110201111021201
4102310213013121322
5312342231201020
613141230524414
71313552231653
oct226447073172
957143644251
1020210022010
118631037732
123b0036670a
131ba1060809
14d9a15652a
157d4404a0a
hex4b49c767a

20210022010 has 32 divisors (see below), whose sum is σ = 37080240912. Its totient is φ = 7928094720.

The previous prime is 20210021989. The next prime is 20210022037. The reversal of 20210022010 is 1022001202.

It can be written as a sum of positive squares in 8 ways, for example, as 2081823129 + 18128198881 = 45627^2 + 134641^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496890 + ... + 1510330.

Almost surely, 220210022010 is an apocalyptic number.

20210022010 is a deficient number, since it is larger than the sum of its proper divisors (16870218902).

20210022010 is a wasteful number, since it uses less digits than its factorization.

20210022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16338.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20210022010 its reverse (1022001202), we get a palindrome (21232023212).

The spelling of 20210022010 in words is "twenty billion, two hundred ten million, twenty-two thousand, ten".

Divisors: 1 2 5 10 53 106 265 530 2837 5674 13441 14185 26882 28370 67205 134410 150361 300722 712373 751805 1424746 1503610 3561865 7123730 38132117 76264234 190660585 381321170 2021002201 4042004402 10105011005 20210022010