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20013202302 = 235775780821
BaseRepresentation
bin10010101000111000…
…010011101101111110
31220122202101000101220
4102220320103231332
5311441334433202
613105520214210
71305642261402
oct225070235576
956582330356
1020013202302
11853aa27115
123a6646a366
131b6c34ac52
14d7bd61102
157c1ec7abc
hex4a8e13b7e

20013202302 has 16 divisors (see below), whose sum is σ = 40095781392. Its totient is φ = 6659504640.

The previous prime is 20013202291. The next prime is 20013202327. The reversal of 20013202302 is 20320231002.

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, 2886949 + ... + 2893872.

It is an arithmetic number, because the mean of its divisors is an integer number (2505986337).

Almost surely, 220013202302 is an apocalyptic number.

20013202302 is an abundant number, since it is smaller than the sum of its proper divisors (20082579090).

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

20013202302 is a wasteful number, since it uses less digits than its factorization.

20013202302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781403.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20013202302 its reverse (20320231002), we get a palindrome (40333433304).

The spelling of 20013202302 in words is "twenty billion, thirteen million, two hundred two thousand, three hundred two".

Divisors: 1 2 3 6 577 1154 1731 3462 5780821 11561642 17342463 34684926 3335533717 6671067434 10006601151 20013202302