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22022020012 = 2234457159779
BaseRepresentation
bin10100100000100111…
…010101101110101100
32002211202022112020211
4110200213111232230
5330100114120022
614041120152204
71406504036656
oct244047255654
962752275224
1022022020012
119380946643
124327168664
1320cc591995
1410cca736d6
1588d52ce77
hex5209d5bac

22022020012 has 12 divisors (see below), whose sum is σ = 38539894680. Its totient is φ = 11010621536.

The previous prime is 22022020001. The next prime is 22022020021. The reversal of 22022020012 is 21002022022.

It is a junction number, because it is equal to n+sod(n) for n = 22022019974 and 22022020001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57939 + ... + 217717.

It is an arithmetic number, because the mean of its divisors is an integer number (3211657890).

Almost surely, 222022020012 is an apocalyptic number.

It is an amenable number.

22022020012 is a deficient number, since it is larger than the sum of its proper divisors (16517874668).

22022020012 is a wasteful number, since it uses less digits than its factorization.

22022020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194240 (or 194238 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22022020012 its reverse (21002022022), we get a palindrome (43024042034).

The spelling of 22022020012 in words is "twenty-two billion, twenty-two million, twenty thousand, twelve".

Divisors: 1 2 4 34457 68914 137828 159779 319558 639116 5505505003 11011010006 22022020012