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20022044210031 = 343901731721243
BaseRepresentation
bin1001000110101101111101…
…10101010011001101101111
32121220002101200112101220010
410203112332311103031233
510111020121304210111
6110330000010024303
74134354630511533
oct443267665231557
977802350471803
1020022044210031
11641a334a8a336
1222b44a6118093
13b230bc3448b6
144d3101c29bc3
1524ac452e8aa6
hex1235bed5336f

20022044210031 has 16 divisors (see below), whose sum is σ = 27317216336256. Its totient is φ = 13037458024416.

The previous prime is 20022044210009. The next prime is 20022044210071. The reversal of 20022044210031 is 13001244022002.

It is not a de Polignac number, because 20022044210031 - 211 = 20022044207983 is a prime.

It is a super-2 number, since 2×200220442100312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022044210071) 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, 10771696 + ... + 12492938.

It is an arithmetic number, because the mean of its divisors is an integer number (1707326021016).

Almost surely, 220022044210031 is an apocalyptic number.

20022044210031 is a deficient number, since it is larger than the sum of its proper divisors (7295172126225).

20022044210031 is a wasteful number, since it uses less digits than its factorization.

20022044210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811462.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20022044210031 its reverse (13001244022002), we get a palindrome (33023288232033).

The spelling of 20022044210031 in words is "twenty trillion, twenty-two billion, forty-four million, two hundred ten thousand, thirty-one".

Divisors: 1 3 43 129 90173 270519 1721243 3877439 5163729 11632317 74013449 222040347 155209645039 465628935117 6674014736677 20022044210031