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20223221204 = 2215139333959
BaseRepresentation
bin10010110101011001…
…011101110111010100
31221012101120002011202
4102311121131313110
5312404121034304
613142421452032
71314102354404
oct226531356724
957171502152
1020223221204
11863853245a
123b04871018
131ba3a025a4
14d9bbd0804
157d566081e
hex4b565ddd4

20223221204 has 12 divisors (see below), whose sum is σ = 35393080800. Its totient is φ = 10110912408.

The previous prime is 20223221189. The next prime is 20223221219. The reversal of 20223221204 is 40212232202.

It is an interprime number because it is at equal distance from previous prime (20223221189) and next prime (20223221219).

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, 106424 + ... + 227535.

It is an arithmetic number, because the mean of its divisors is an integer number (2949423400).

Almost surely, 220223221204 is an apocalyptic number.

It is an amenable number.

20223221204 is a deficient number, since it is larger than the sum of its proper divisors (15169859596).

20223221204 is a wasteful number, since it uses less digits than its factorization.

20223221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349102 (or 349100 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20223221204 its reverse (40212232202), we get a palindrome (60435453406).

The spelling of 20223221204 in words is "twenty billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred four".

Divisors: 1 2 4 15139 30278 60556 333959 667918 1335836 5055805301 10111610602 20223221204