Search a number
-
+
20202022223 = 21859924197
BaseRepresentation
bin10010110100001000…
…100110010101001111
31221010220200001122022
4102310020212111033
5312333204202343
613140343240355
71313424232655
oct226410462517
957126601568
1020202022223
118627573339
123ab97490bb
131b9c4bc506
14d99072dd5
157d3874568
hex4b422654f

20202022223 has 4 divisors (see below), whose sum is σ = 20202968280. Its totient is φ = 20201076168.

The previous prime is 20202022189. The next prime is 20202022241. The reversal of 20202022223 is 32222020202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20202022223 - 210 = 20202021199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202022283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440240 + ... + 483957.

It is an arithmetic number, because the mean of its divisors is an integer number (5050742070).

Almost surely, 220202022223 is an apocalyptic number.

20202022223 is a deficient number, since it is larger than the sum of its proper divisors (946057).

20202022223 is an equidigital number, since it uses as much as digits as its factorization.

20202022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946056.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20202022223 its reverse (32222020202), we get a palindrome (52424042425).

The spelling of 20202022223 in words is "twenty billion, two hundred two million, twenty-two thousand, two hundred twenty-three".

Divisors: 1 21859 924197 20202022223