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20022222332 = 227715079369
BaseRepresentation
bin10010101001011010…
…101101110111111100
31220200101100021120002
4102221122231313330
5312001142103312
613110441413432
71306112040020
oct225132556774
956611307502
1020022222332
118545027a92
123a6949a278
131b71188748
14d7d22c380
157c2baa4c2
hex4a96addfc

20022222332 has 12 divisors (see below), whose sum is σ = 40044444720. Its totient is φ = 8580952416.

The previous prime is 20022222293. The next prime is 20022222343. The reversal of 20022222332 is 23322222002.

20022222332 is an admirable number.

It is a super-2 number, since 2×200222223322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357539657 + ... + 357539712.

It is an arithmetic number, because the mean of its divisors is an integer number (3337037060).

Almost surely, 220022222332 is an apocalyptic number.

It is an amenable number.

20022222332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20022222332 is a wasteful number, since it uses less digits than its factorization.

20022222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715079380 (or 715079378 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20022222332 its reverse (23322222002), we get a palindrome (43344444334).

The spelling of 20022222332 in words is "twenty billion, twenty-two million, two hundred twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 715079369 1430158738 2860317476 5005555583 10011111166 20022222332