Search a number
-
+
212020022 = 21715739719
BaseRepresentation
bin11001010001100…
…10101100110110
3112202221201210102
430220302230312
5413234120042
633012154102
75153066114
oct1450625466
9482851712
10212020022
11a9752865
125b008932
1334c05446
1420230ab4
1513930b32
hexca32b36

212020022 has 16 divisors (see below), whose sum is σ = 338891040. Its totient is φ = 99136128.

The previous prime is 212020019. The next prime is 212020037. The reversal of 212020022 is 220020212.

212020022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212019985 and 212020012.

It is a congruent number.

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, 14522 + ... + 25197.

It is an arithmetic number, because the mean of its divisors is an integer number (21180690).

Almost surely, 2212020022 is an apocalyptic number.

212020022 is a deficient number, since it is larger than the sum of its proper divisors (126871018).

212020022 is a wasteful number, since it uses less digits than its factorization.

212020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39895.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 212020022 is about 14560.9073206308. The cubic root of 212020022 is about 596.2919665387.

Adding to 212020022 its reverse (220020212), we get a palindrome (432040234).

The spelling of 212020022 in words is "two hundred twelve million, twenty thousand, twenty-two".

Divisors: 1 2 17 34 157 314 2669 5338 39719 79438 675223 1350446 6235883 12471766 106010011 212020022