Search a number
-
+
20302000302 = 236257540781
BaseRepresentation
bin10010111010000101…
…111111000010101110
31221101212210110210010
4102322011333002232
5313034303002202
613154314154050
71316050104153
oct227205770256
957355713703
1020302000302
118678a4a351
123b27122926
131bb712603c
14da845a22a
157dc52276c
hex4ba17f0ae

20302000302 has 16 divisors (see below), whose sum is σ = 40610565072. Its totient is φ = 6766239360.

The previous prime is 20302000237. The next prime is 20302000361. The reversal of 20302000302 is 20300020302.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 232849 + ... + 307932.

It is an arithmetic number, because the mean of its divisors is an integer number (2538160317).

Almost surely, 220302000302 is an apocalyptic number.

20302000302 is an abundant number, since it is smaller than the sum of its proper divisors (20308564770).

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

20302000302 is a wasteful number, since it uses less digits than its factorization.

20302000302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547043.

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 20302000302 its reverse (20300020302), we get a palindrome (40602020604).

The spelling of 20302000302 in words is "twenty billion, three hundred two million, three hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 6257 12514 18771 37542 540781 1081562 1622343 3244686 3383666717 6767333434 10151000151 20302000302