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20332133212 = 2217299001959
BaseRepresentation
bin10010111011111000…
…111011101101011100
31221110222111101100211
4102323320323231130
5313120011230322
613201312102204
71316564165206
oct227370735534
957428441324
1020332133212
118693a60686
123b35234964
131bc0446671
14dac461776
157deec5b77
hex4bbe3bb5c

20332133212 has 12 divisors (see below), whose sum is σ = 37674246960. Its totient is φ = 9568062656.

The previous prime is 20332133209. The next prime is 20332133291. The reversal of 20332133212 is 21233123302.

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, 149500912 + ... + 149501047.

It is an arithmetic number, because the mean of its divisors is an integer number (3139520580).

Almost surely, 220332133212 is an apocalyptic number.

It is an amenable number.

20332133212 is a deficient number, since it is larger than the sum of its proper divisors (17342113748).

20332133212 is a wasteful number, since it uses less digits than its factorization.

20332133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299001980 (or 299001978 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20332133212 its reverse (21233123302), we get a palindrome (41565256514).

The spelling of 20332133212 in words is "twenty billion, three hundred thirty-two million, one hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 299001959 598003918 1196007836 5083033303 10166066606 20332133212