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20303013212 = 225986029717
BaseRepresentation
bin10010111010001001…
…110110010101011100
31221101221200221020022
4102322021312111130
5313040032410322
613154352011312
71316061523226
oct227211662534
957357627208
1020303013212
118679581369
123b27530b38
131bb73bc0b1
14da8641416
157dc672942
hex4ba27655c

20303013212 has 12 divisors (see below), whose sum is σ = 36132481560. Its totient is φ = 9979447056.

The previous prime is 20303013197. The next prime is 20303013287. The reversal of 20303013212 is 21231030302.

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, 43014623 + ... + 43015094.

It is an arithmetic number, because the mean of its divisors is an integer number (3011040130).

Almost surely, 220303013212 is an apocalyptic number.

It is an amenable number.

20303013212 is a deficient number, since it is larger than the sum of its proper divisors (15829468348).

20303013212 is a wasteful number, since it uses less digits than its factorization.

20303013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86029780 (or 86029778 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20303013212 its reverse (21231030302), we get a palindrome (41534043514).

The spelling of 20303013212 in words is "twenty billion, three hundred three million, thirteen thousand, two hundred twelve".

Divisors: 1 2 4 59 118 236 86029717 172059434 344118868 5075753303 10151506606 20303013212