Search a number
-
+
20202422324 = 2272331370221
BaseRepresentation
bin10010110100001010…
…001000000000110100
31221010221102101110212
4102310022020000310
5312333310003244
613140400004552
71313430520310
oct226412100064
957127371425
1020202422324
1186278169a7
123ab9900758
131b9c5cc666
14d99138b40
157d3902d9e
hex4b4288034

20202422324 has 24 divisors (see below), whose sum is σ = 42161578368. Its totient is φ = 8281738080.

The previous prime is 20202422267. The next prime is 20202422329. The reversal of 20202422324 is 42322420202.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 20202422324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202422329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15684467 + ... + 15685754.

It is an arithmetic number, because the mean of its divisors is an integer number (1756732432).

Almost surely, 220202422324 is an apocalyptic number.

It is an amenable number.

20202422324 is an abundant number, since it is smaller than the sum of its proper divisors (21959156044).

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

20202422324 is a wasteful number, since it uses less digits than its factorization.

20202422324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31370255 (or 31370253 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20202422324 its reverse (42322420202), we get a palindrome (62524842526).

The spelling of 20202422324 in words is "twenty billion, two hundred two million, four hundred twenty-two thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 31370221 62740442 125480884 219591547 439183094 721515083 878366188 1443030166 2886060332 5050605581 10101211162 20202422324