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20022231223331 = 137842391734917
BaseRepresentation
bin1001000110101110010011…
…11110101100110000100011
32121220002212201102122220122
410203113021332230300203
510111021012143121311
6110330030330230455
74134362361220031
oct443271176546043
977802781378818
1020022231223331
11641a420602187
1222b453888542b
13b2311c002a5c
144d311c9cb551
1524ac5693a0db
hex1235c9facc23

20022231223331 has 8 divisors (see below), whose sum is σ = 20168629940160. Its totient is φ = 19875836145088.

The previous prime is 20022231223283. The next prime is 20022231223381. The reversal of 20022231223331 is 13332213222002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022231223331 - 210 = 20022231222307 is a prime.

It is a super-2 number, since 2×200222312233312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022231223331.

It is not an unprimeable number, because it can be changed into a prime (20022231223381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10673285 + ... + 12408201.

It is an arithmetic number, because the mean of its divisors is an integer number (2521078742520).

Almost surely, 220022231223331 is an apocalyptic number.

20022231223331 is a deficient number, since it is larger than the sum of its proper divisors (146398716829).

20022231223331 is a wasteful number, since it uses less digits than its factorization.

20022231223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819293.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20022231223331 its reverse (13332213222002), we get a palindrome (33354444445333).

The spelling of 20022231223331 in words is "twenty trillion, twenty-two billion, two hundred thirty-one million, two hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 137 84239 1734917 11540743 237683629 146147673163 20022231223331