Search a number
-
+
20202323120 = 245736075577
BaseRepresentation
bin10010110100001001…
…101111110010110000
31221010221020100101122
4102310021233302300
5312333243314440
613140353521412
71313426625140
oct226411576260
957127210348
1020202323120
118627759411
123ab9873268
131b9c596465
14d99110920
157d38d37b5
hex4b426fcb0

20202323120 has 40 divisors (see below), whose sum is σ = 53680460064. Its totient is φ = 6926510592.

The previous prime is 20202323083. The next prime is 20202323123. The reversal of 20202323120 is 2132320202.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (20202323123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18037229 + ... + 18038348.

Almost surely, 220202323120 is an apocalyptic number.

20202323120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202323120 is an abundant number, since it is smaller than the sum of its proper divisors (33478136944).

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

20202323120 is a wasteful number, since it uses less digits than its factorization.

20202323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36075597 (or 36075591 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20202323120 its reverse (2132320202), we get a palindrome (22334643322).

The spelling of 20202323120 in words is "twenty billion, two hundred two million, three hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 36075577 72151154 144302308 180377885 252529039 288604616 360755770 505058078 577209232 721511540 1010116156 1262645195 1443023080 2020232312 2525290390 2886046160 4040464624 5050580780 10101161560 20202323120