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20022000213 = 371139676259
BaseRepresentation
bin10010101001011001…
…110111101001010101
31220200100220222212110
4102221121313221111
5312001113001323
613110432541233
71306110123315
oct225131675125
956610828773
1020022000213
118544996116
123a693b1819
131b7110b607
14d7d1b1445
157c2b64793
hex4a9677a55

20022000213 has 16 divisors (see below), whose sum is σ = 27266803200. Its totient is φ = 13065304560.

The previous prime is 20022000197. The next prime is 20022000221. The reversal of 20022000213 is 31200022002.

It is not a de Polignac number, because 20022000213 - 24 = 20022000197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022000233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308523 + ... + 367736.

It is an arithmetic number, because the mean of its divisors is an integer number (1704175200).

Almost surely, 220022000213 is an apocalyptic number.

It is an amenable number.

20022000213 is a deficient number, since it is larger than the sum of its proper divisors (7244802987).

20022000213 is a wasteful number, since it uses less digits than its factorization.

20022000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676472.

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

Adding to 20022000213 its reverse (31200022002), we get a palindrome (51222022215).

The spelling of 20022000213 in words is "twenty billion, twenty-two million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 3 71 139 213 417 9869 29607 676259 2028777 48014389 94000001 144043167 282000003 6674000071 20022000213