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20022202332 = 22321150561117
BaseRepresentation
bin10010101001011010…
…101000111111011100
31220200101022021010100
4102221122220333130
5312001140433312
613110441141100
71306111624506
oct225132507734
956611267110
1020022202332
118545013a60
123a6948a790
131b7117c602
14d7d224d76
157c2ba45dc
hex4a96a8fdc

20022202332 has 36 divisors (see below), whose sum is σ = 55212740856. Its totient is φ = 6067333920.

The previous prime is 20022202267. The next prime is 20022202349. The reversal of 20022202332 is 23320222002.

It is a tau number, because it is divible by the number of its divisors (36).

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

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 11 ways as a sum of consecutive naturals, for example, 25280163 + ... + 25280954.

It is an arithmetic number, because the mean of its divisors is an integer number (1533687246).

Almost surely, 220022202332 is an apocalyptic number.

20022202332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20022202332 is an abundant number, since it is smaller than the sum of its proper divisors (35190538524).

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

20022202332 is a wasteful number, since it uses less digits than its factorization.

20022202332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50561138 (or 50561133 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20022202332 its reverse (23320222002), we get a palindrome (43342424334).

The spelling of 20022202332 in words is "twenty billion, twenty-two million, two hundred two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 50561117 101122234 151683351 202244468 303366702 455050053 556172287 606733404 910100106 1112344574 1668516861 1820200212 2224689148 3337033722 5005550583 6674067444 10011101166 20022202332