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20003020212 = 2237238131193
BaseRepresentation
bin10010101000010001…
…011101110110110100
31220122001012201012110
4102220101131312310
5311431233121322
613104514051020
71305456603120
oct225021356664
956561181173
1020003020212
11853520216a
123a62b79a70
131b6a1c4546
14d7a870580
157c1165c0c
hex4a845ddb4

20003020212 has 24 divisors (see below), whose sum is σ = 53341387456. Its totient is φ = 5715148608.

The previous prime is 20003020211. The next prime is 20003020217. The reversal of 20003020212 is 21202030002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003020211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 119065513 + ... + 119065680.

Almost surely, 220003020212 is an apocalyptic number.

It is an amenable number.

20003020212 is an abundant number, since it is smaller than the sum of its proper divisors (33338367244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003020212 is a wasteful number, since it uses less digits than its factorization.

20003020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238131207 (or 238131205 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20003020212 its reverse (21202030002), we get a palindrome (41205050214).

The spelling of 20003020212 in words is "twenty billion, three million, twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 238131193 476262386 714393579 952524772 1428787158 1666918351 2857574316 3333836702 5000755053 6667673404 10001510106 20003020212