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20320301130 = 235677343371
BaseRepresentation
bin10010111011001011…
…110011000001001010
31221110011020020210120
4102323023303001022
5313103444114010
613200210324110
71316361465303
oct227313630112
957404206716
1020320301130
118688309aa8
123b31289636
131bbab62c2c
14daaa617aa
157dde39e70
hex4bb2f304a

20320301130 has 16 divisors (see below), whose sum is σ = 48768722784. Its totient is φ = 5418746960.

The previous prime is 20320301081. The next prime is 20320301143. The reversal of 20320301130 is 3110302302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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, 338671656 + ... + 338671715.

It is an arithmetic number, because the mean of its divisors is an integer number (3048045174).

Almost surely, 220320301130 is an apocalyptic number.

20320301130 is an abundant number, since it is smaller than the sum of its proper divisors (28448421654).

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

20320301130 is a wasteful number, since it uses less digits than its factorization.

20320301130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677343381.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20320301130 its reverse (3110302302), we get a palindrome (23430603432).

The spelling of 20320301130 in words is "twenty billion, three hundred twenty million, three hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 677343371 1354686742 2032030113 3386716855 4064060226 6773433710 10160150565 20320301130