Search a number
-
+
20201010212 = 2243793115321
BaseRepresentation
bin10010110100000100…
…101111010000100100
31221010211202122102102
4102310010233100210
5312332424311322
613140305431232
71313412516335
oct226404572044
957124678372
1020201010212
118626a41a69
123ab933b518
131b9c2269a6
14d98c8c28c
157d3724792
hex4b412f424

20201010212 has 12 divisors (see below), whose sum is σ = 35352881676. Its totient is φ = 10100186880.

The previous prime is 20201010199. The next prime is 20201010253. The reversal of 20201010212 is 21201010202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19629130816 + 571879396 = 140104^2 + 23914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20201010193 and 20201010202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117512 + ... + 232832.

It is an arithmetic number, because the mean of its divisors is an integer number (2946073473).

Almost surely, 220201010212 is an apocalyptic number.

It is an amenable number.

20201010212 is a deficient number, since it is larger than the sum of its proper divisors (15151871464).

20201010212 is a wasteful number, since it uses less digits than its factorization.

20201010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159118 (or 159116 counting only the distinct ones).

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

Adding to 20201010212 its reverse (21201010202), we get a palindrome (41402020414).

The spelling of 20201010212 in words is "twenty billion, two hundred one million, ten thousand, two hundred twelve".

Divisors: 1 2 4 43793 87586 115321 175172 230642 461284 5050252553 10100505106 20201010212