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10002202020 = 2232555567789
BaseRepresentation
bin10010101000010110…
…10111110110100100
3221211001220111201200
421110023113312210
5130441030431040
64332301522500
7502602212556
oct112413276644
927731814650
1010002202020
114272a89468
121b31873430
13c352ab845
146ac5774d6
153d8195630
hex2542d7da4

10002202020 has 36 divisors (see below), whose sum is σ = 30340013340. Its totient is φ = 2667253824.

The previous prime is 10002202019. The next prime is 10002202031. The reversal of 10002202020 is 2020220001.

10002202020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4876787556 + 5125414464 = 69834^2 + 71592^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10002201993 and 10002202011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27783715 + ... + 27784074.

Almost surely, 210002202020 is an apocalyptic number.

10002202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002202020 is an abundant number, since it is smaller than the sum of its proper divisors (20337811320).

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

10002202020 is a wasteful number, since it uses less digits than its factorization.

10002202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55567804 (or 55567799 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 10002202020 its reverse (2020220001), we get a palindrome (12022422021).

The spelling of 10002202020 in words is "ten billion, two million, two hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 55567789 111135578 166703367 222271156 277838945 333406734 500110101 555677890 666813468 833516835 1000220202 1111355780 1667033670 2000440404 2500550505 3334067340 5001101010 10002202020