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20220131210 = 2516712107863
BaseRepresentation
bin10010110101001101…
…101011011110001010
31221012011202002111112
4102311031223132022
5312402323144320
613142231330322
71314034164566
oct226515533612
957164662445
1020220131210
118636811944
123b038209a2
131ba318cca6
14d9b6286a6
157d524eec5
hex4b536b78a

20220131210 has 16 divisors (see below), whose sum is σ = 36614180736. Its totient is φ = 8039620368.

The previous prime is 20220131209. The next prime is 20220131213. The reversal of 20220131210 is 1213102202.

It is a happy number.

It is a super-2 number, since 2×202201312102 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20220131213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6052262 + ... + 6055601.

It is an arithmetic number, because the mean of its divisors is an integer number (2288386296).

Almost surely, 220220131210 is an apocalyptic number.

20220131210 is a deficient number, since it is larger than the sum of its proper divisors (16394049526).

20220131210 is a wasteful number, since it uses less digits than its factorization.

20220131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12108037.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20220131210 its reverse (1213102202), we get a palindrome (21433233412).

The spelling of 20220131210 in words is "twenty billion, two hundred twenty million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 167 334 835 1670 12107863 24215726 60539315 121078630 2022013121 4044026242 10110065605 20220131210