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20220210101 = 721355756989
BaseRepresentation
bin10010110101001101…
…111110101110110101
31221012011220002201102
4102311031332232311
5312402333210401
613142233135445
71314034643600
oct226515765665
957164802642
1020220210101
118636866143
123b0385a585
131ba31b9b80
14d9b649337
157d526856b
hex4b537ebb5

20220210101 has 24 divisors (see below), whose sum is σ = 25376735160. Its totient is φ = 15969405312.

The previous prime is 20220210097. The next prime is 20220210173. The reversal of 20220210101 is 10101202202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 584914225 + 19635295876 = 24185^2 + 140126^2 .

It is not a de Polignac number, because 20220210101 - 22 = 20220210097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220210181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326315 + ... + 383303.

It is an arithmetic number, because the mean of its divisors is an integer number (1057363965).

Almost surely, 220220210101 is an apocalyptic number.

It is an amenable number.

20220210101 is a deficient number, since it is larger than the sum of its proper divisors (5156525059).

20220210101 is a wasteful number, since it uses less digits than its factorization.

20220210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57573 (or 57566 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20220210101 its reverse (10101202202), we get a palindrome (30321412303).

It can be divided in two parts, 202202 and 10101, that multiplied together give a palindrome (2042442402).

The spelling of 20220210101 in words is "twenty billion, two hundred twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 7 13 49 91 557 637 3899 7241 27293 50687 56989 354809 398923 740857 2792461 5185999 31742873 36301993 222200111 412657349 1555400777 2888601443 20220210101