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20220020222 = 2232939149563
BaseRepresentation
bin10010110101001101…
…010000010111111110
31221012011112110020212
4102311031100113332
5312402311121342
613142225112422
71314033223163
oct226515202776
957164473225
1020220020222
118636746516
123b03788712
131ba315160c
14d9b5da06a
157d522c182
hex4b53505fe

20220020222 has 16 divisors (see below), whose sum is σ = 31659707520. Its totient is φ = 9667089432.

The previous prime is 20220020209. The next prime is 20220020231. The reversal of 20220020222 is 22202002202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20220020197 and 20220020206.

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, 60413 + ... + 209975.

It is an arithmetic number, because the mean of its divisors is an integer number (1978731720).

Almost surely, 220220020222 is an apocalyptic number.

20220020222 is a deficient number, since it is larger than the sum of its proper divisors (11439687298).

20220020222 is a wasteful number, since it uses less digits than its factorization.

20220020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152527.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20220020222 its reverse (22202002202), we get a palindrome (42422022424).

The spelling of 20220020222 in words is "twenty billion, two hundred twenty million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 23 46 2939 5878 67597 135194 149563 299126 3439949 6879898 439565657 879131314 10110010111 20220020222