Search a number
-
+
202020402222 = 23211223355679
BaseRepresentation
bin1011110000100101011…
…0101011010000101110
3201022110011000202022100
42330021112223100232
511302214210332342
6232450142155530
720411153041332
oct2741126532056
9638404022270
10202020402222
1178749283301
12331a0282ba6
1316086a8aa52
149ac656b7c2
1553c5a16e4c
hex2f095ab42e

202020402222 has 12 divisors (see below), whose sum is σ = 437710871520. Its totient is φ = 67340134068.

The previous prime is 202020402217. The next prime is 202020402229. The reversal of 202020402222 is 222204020202.

It is a happy number.

202020402222 is a `hidden beast` number, since 2 + 0 + 20 + 20 + 402 + 222 = 666.

202020402222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11223355679 = 202020402222 / (2 + 0 + 2 + 0 + 2 + 0 + 4 + 0 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 202020402195 and 202020402204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020402229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5611677822 + ... + 5611677857.

It is an arithmetic number, because the mean of its divisors is an integer number (36475905960).

Almost surely, 2202020402222 is an apocalyptic number.

202020402222 is an abundant number, since it is smaller than the sum of its proper divisors (235690469298).

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

202020402222 is a wasteful number, since it uses less digits than its factorization.

202020402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223355687 (or 11223355684 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 202020402222 its reverse (222204020202), we get a palindrome (424224422424).

The spelling of 202020402222 in words is "two hundred two billion, twenty million, four hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 11223355679 22446711358 33670067037 67340134074 101010201111 202020402222