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20022331023 = 3210720791621
BaseRepresentation
bin10010101001011011…
…001000011010001111
31220200101112210122200
4102221123020122033
5312001204043043
613110444012543
71306113001632
oct225133103217
956611483580
1020022331023
1185450a1712
123a69531153
131b711c6066
14d7d259c19
157c2bcc7d3
hex4a96c868f

20022331023 has 12 divisors (see below), whose sum is σ = 29191437288. Its totient is φ = 13223470320.

The previous prime is 20022330973. The next prime is 20022331031. The reversal of 20022331023 is 32013322002.

It is a happy number.

It is not a de Polignac number, because 20022331023 - 26 = 20022330959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022330987 and 20022331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022331223) 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 11 ways as a sum of consecutive naturals, for example, 10394848 + ... + 10396773.

It is an arithmetic number, because the mean of its divisors is an integer number (2432619774).

Almost surely, 220022331023 is an apocalyptic number.

20022331023 is a deficient number, since it is larger than the sum of its proper divisors (9169106265).

20022331023 is a wasteful number, since it uses less digits than its factorization.

20022331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20791734 (or 20791731 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20022331023 its reverse (32013322002), we get a palindrome (52035653025).

The spelling of 20022331023 in words is "twenty billion, twenty-two million, three hundred thirty-one thousand, twenty-three".

Divisors: 1 3 9 107 321 963 20791621 62374863 187124589 2224703447 6674110341 20022331023