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20202210212 = 2271316922447
BaseRepresentation
bin10010110100001001…
…010100001110100100
31221010221000121111212
4102310021110032210
5312333231211322
613140351250552
71313425645022
oct226411241644
957127017455
1020202210212
1186276915a8
123ab9819a58
131b9c556c52
14d990c1712
157d38b00e2
hex4b42543a4

20202210212 has 24 divisors (see below), whose sum is σ = 35864720640. Its totient is φ = 9955249920.

The previous prime is 20202210191. The next prime is 20202210227. The reversal of 20202210212 is 21201220202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888773 + ... + 911219.

It is an arithmetic number, because the mean of its divisors is an integer number (1494363360).

Almost surely, 220202210212 is an apocalyptic number.

It is an amenable number.

20202210212 is a deficient number, since it is larger than the sum of its proper divisors (15662510428).

20202210212 is a wasteful number, since it uses less digits than its factorization.

20202210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25691 (or 25689 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202210212 its reverse (21201220202), we get a palindrome (41403430414).

The spelling of 20202210212 in words is "twenty billion, two hundred two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 71 142 284 3169 6338 12676 22447 44894 89788 224999 449998 899996 1593737 3187474 6374948 71134543 142269086 284538172 5050552553 10101105106 20202210212