Search a number
-
+
20553343302 = 233425557217
BaseRepresentation
bin10011001001000100…
…110010000101000110
31222001101202000120010
4103021010302011012
5314043123441202
613235253251050
71325221351452
oct231104620506
958041660503
1020553343302
118797910038
123b97333a86
131c27218acb
14dcd9a5662
1580461e76c
hex4c9132146

20553343302 has 8 divisors (see below), whose sum is σ = 41106686616. Its totient is φ = 6851114432.

The previous prime is 20553343297. The next prime is 20553343303. The reversal of 20553343302 is 20334335502.

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

20553343302 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20553343302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20553343303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712778603 + ... + 1712778614.

It is an arithmetic number, because the mean of its divisors is an integer number (5138335827).

Almost surely, 220553343302 is an apocalyptic number.

20553343302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20553343302 is a wasteful number, since it uses less digits than its factorization.

20553343302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425557222.

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 20553343302 its reverse (20334335502), we get a palindrome (40887678804).

The spelling of 20553343302 in words is "twenty billion, five hundred fifty-three million, three hundred forty-three thousand, three hundred two".

Divisors: 1 2 3 6 3425557217 6851114434 10276671651 20553343302