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20000222212 = 2213138168363
BaseRepresentation
bin10010101000000110…
…110010110000000100
31220121211221120001211
4102220012302300010
5311430024102322
613104334101204
71305424040515
oct225006626004
956554846054
1020000222212
118533670a73
123a6204a804
131b69754b19
14d7a342a0c
157c0cb1b77
hex4a81b2c04

20000222212 has 12 divisors (see below), whose sum is σ = 35267568336. Its totient is φ = 9923774120.

The previous prime is 20000222201. The next prime is 20000222219. The reversal of 20000222212 is 21222200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000222192 and 20000222201.

It is not an unprimeable number, because it can be changed into a prime (20000222219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19083658 + ... + 19084705.

It is an arithmetic number, because the mean of its divisors is an integer number (2938964028).

Almost surely, 220000222212 is an apocalyptic number.

It is an amenable number.

20000222212 is a deficient number, since it is larger than the sum of its proper divisors (15267346124).

20000222212 is a wasteful number, since it uses less digits than its factorization.

20000222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38168498 (or 38168496 counting only the distinct ones).

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

Adding to 20000222212 its reverse (21222200002), we get a palindrome (41222422214).

The spelling of 20000222212 in words is "twenty billion, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 131 262 524 38168363 76336726 152673452 5000055553 10000111106 20000222212