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20100010 = 2571012843
BaseRepresentation
bin100110010101…
…1001110101010
31101211012000211
41030223032222
520121200020
61554451334
7332563420
oct114531652
941735024
1020100010
1110389487
126893b4a
134219ac8
142953110
151b7085a
hex132b3aa

20100010 has 32 divisors (see below), whose sum is σ = 41772672. Its totient is φ = 6820800.

The previous prime is 20099983. The next prime is 20100023. The reversal of 20100010 is 1000102.

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 15 ways as a sum of consecutive naturals, for example, 5649 + ... + 8491.

It is an arithmetic number, because the mean of its divisors is an integer number (1305396).

Almost surely, 220100010 is an apocalyptic number.

20100010 is an abundant number, since it is smaller than the sum of its proper divisors (21672662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100010 is a wasteful number, since it uses less digits than its factorization.

20100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 20100010 is about 4483.3034695412. The cubic root of 20100010 is about 271.8934577683.

Adding to 20100010 its reverse (1000102), we get a palindrome (21100112).

The spelling of 20100010 in words is "twenty million, one hundred thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1414 2843 3535 5686 7070 14215 19901 28430 39802 99505 199010 287143 574286 1435715 2010001 2871430 4020002 10050005 20100010