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20032413431 = 192345840763
BaseRepresentation
bin10010101010000001…
…100101111011110111
31220201002112001010012
4102222001211323313
5312011244212211
613111444050435
71306264463462
oct225201457367
956632461105
1020032413431
11854a858788
123a70993a1b
131b73316294
14d807222d9
157c3a1ed8b
hex4aa065ef7

20032413431 has 8 divisors (see below), whose sum is σ = 22003566720. Its totient is φ = 18152941752.

The previous prime is 20032413413. The next prime is 20032413451. The reversal of 20032413431 is 13431423002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20032413431 is a prime.

It is a super-2 number, since 2×200324134312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20032413397 and 20032413406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032413451) 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 7 ways as a sum of consecutive naturals, for example, 22919945 + ... + 22920818.

It is an arithmetic number, because the mean of its divisors is an integer number (2750445840).

Almost surely, 220032413431 is an apocalyptic number.

20032413431 is a deficient number, since it is larger than the sum of its proper divisors (1971153289).

20032413431 is a wasteful number, since it uses less digits than its factorization.

20032413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45840805.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20032413431 its reverse (13431423002), we get a palindrome (33463836433).

The spelling of 20032413431 in words is "twenty billion, thirty-two million, four hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 19 23 437 45840763 870974497 1054337549 20032413431