Search a number
-
+
22020021202 = 218793585857
BaseRepresentation
bin10100100000011111…
…101101101111010010
32002211121112222101211
4110200133231233102
5330044111134302
614041005250334
71406451043354
oct244037555722
962747488354
1022020021202
11937a800933
1243265639aa
1320cc041c5a
1410cc6b30d4
1588d285ad7
hex5207edbd2

22020021202 has 8 divisors (see below), whose sum is σ = 33031845756. Its totient is φ = 11009405952.

The previous prime is 22020021197. The next prime is 22020021203. The reversal of 22020021202 is 20212002022.

It can be written as a sum of positive squares in 2 ways, for example, as 22007425801 + 12595401 = 148349^2 + 3549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22020021203) 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 3 ways as a sum of consecutive naturals, for example, 255343 + ... + 330514.

Almost surely, 222020021202 is an apocalyptic number.

22020021202 is a deficient number, since it is larger than the sum of its proper divisors (11011824554).

22020021202 is a wasteful number, since it uses less digits than its factorization.

22020021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604652.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22020021202 its reverse (20212002022), we get a palindrome (42232023224).

The spelling of 22020021202 in words is "twenty-two billion, twenty million, twenty-one thousand, two hundred two".

Divisors: 1 2 18793 37586 585857 1171714 11010010601 22020021202