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20020112413 = 719646923269
BaseRepresentation
bin10010101001010010…
…101010110000011101
31220200020101002021221
4102221102222300131
5312000122044123
613110324253341
71306055101450
oct225122526035
956606332257
1020020112413
118543916854
123a68841251
131b708ca282
14d7cc3d497
157c28e025d
hex4a94aac1d

20020112413 has 16 divisors (see below), whose sum is σ = 24089104000. Its totient is φ = 16253721792.

The previous prime is 20020112351. The next prime is 20020112417. The reversal of 20020112413 is 31421102002.

It is not a de Polignac number, because 20020112413 - 221 = 20018015261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020112417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848743 + ... + 872011.

It is an arithmetic number, because the mean of its divisors is an integer number (1505569000).

Almost surely, 220020112413 is an apocalyptic number.

It is an amenable number.

20020112413 is a deficient number, since it is larger than the sum of its proper divisors (4068991587).

20020112413 is a wasteful number, since it uses less digits than its factorization.

20020112413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20020112413 its reverse (31421102002), we get a palindrome (51441214415).

The spelling of 20020112413 in words is "twenty billion, twenty million, one hundred twelve thousand, four hundred thirteen".

Divisors: 1 7 19 133 6469 23269 45283 122911 162883 442111 860377 3094777 150527161 1053690127 2860016059 20020112413