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20303113302 = 2321127950739
BaseRepresentation
bin10010111010001010…
…001110110001010110
31221101221220000112100
4102322022032301112
5313040044111202
613154354102530
71316062421103
oct227212166126
957357800470
1020303113302
11867963a58a
123b2757aa46
131bb7425814
14da8669aaa
157dc69241c
hex4ba28ec56

20303113302 has 12 divisors (see below), whose sum is σ = 43990078860. Its totient is φ = 6767704428.

The previous prime is 20303113289. The next prime is 20303113307. The reversal of 20303113302 is 20331130302.

20303113302 is a `hidden beast` number, since 20 + 3 + 0 + 311 + 330 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1127950739 = 20303113302 / (2 + 0 + 3 + 0 + 3 + 1 + 1 + 3 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303113307) 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 5 ways as a sum of consecutive naturals, for example, 563975352 + ... + 563975387.

It is an arithmetic number, because the mean of its divisors is an integer number (3665839905).

Almost surely, 220303113302 is an apocalyptic number.

20303113302 is an abundant number, since it is smaller than the sum of its proper divisors (23686965558).

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

20303113302 is a wasteful number, since it uses less digits than its factorization.

20303113302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127950747 (or 1127950744 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20303113302 its reverse (20331130302), we get a palindrome (40634243604).

The spelling of 20303113302 in words is "twenty billion, three hundred three million, one hundred thirteen thousand, three hundred two".

Divisors: 1 2 3 6 9 18 1127950739 2255901478 3383852217 6767704434 10151556651 20303113302