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20132202402 = 2331328212687
BaseRepresentation
bin10010101111111110…
…010000011110100010
31220222001021211212000
4102233332100132202
5312212320434102
613125410544430
71311615616434
oct225776203642
956861254760
1020132202402
1185a1115704
123a9a298116
131b8abb4a00
14d8da9a654
157cc68201c
hex4aff907a2

20132202402 has 96 divisors (see below), whose sum is σ = 48521410560. Its totient is φ = 6184676160.

The previous prime is 20132202367. The next prime is 20132202403. The reversal of 20132202402 is 20420223102.

20132202402 is a `hidden beast` number, since 201 + 3 + 220 + 240 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20132202403) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7491103 + ... + 7493789.

It is an arithmetic number, because the mean of its divisors is an integer number (505431360).

Almost surely, 220132202402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20132202402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24260705280).

20132202402 is an abundant number, since it is smaller than the sum of its proper divisors (28389208158).

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

20132202402 is a wasteful number, since it uses less digits than its factorization.

20132202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20132202402 its reverse (20420223102), we get a palindrome (40552425504).

The spelling of 20132202402 in words is "twenty billion, one hundred thirty-two million, two hundred two thousand, four hundred two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 169 234 338 351 507 702 821 1014 1521 1642 2463 2687 3042 4563 4926 5374 7389 8061 9126 10673 14778 16122 21346 22167 24183 32019 34931 44334 48366 64038 69862 72549 96057 104793 138749 145098 192114 209586 277498 288171 314379 416247 454103 576342 628758 832494 908206 943137 1248741 1362309 1886274 2206027 2497482 2724618 3746223 4086927 4412054 6618081 7492446 8173854 12260781 13236162 19854243 24521562 28678351 39708486 57356702 59562729 86035053 119125458 172070106 258105159 372818563 516210318 745637126 774315477 1118455689 1548630954 2236911378 3355367067 6710734134 10066101201 20132202402