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20220006012 = 2231685000501
BaseRepresentation
bin10010110101001101…
…001100111001111100
31221012011111201202120
4102311031030321330
5312402310143022
613142224522540
71314033133563
oct226515147174
957164451676
1020220006012
118636736878
123b03780450
131ba3147ccb
14d9b5d4bda
157d5227d5c
hex4b534ce7c

20220006012 has 12 divisors (see below), whose sum is σ = 47180014056. Its totient is φ = 6740002000.

The previous prime is 20220006011. The next prime is 20220006019. The reversal of 20220006012 is 21060002202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×202200060122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20220005982 and 20220006000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220006011) 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 3 ways as a sum of consecutive naturals, for example, 842500239 + ... + 842500262.

It is an arithmetic number, because the mean of its divisors is an integer number (3931667838).

Almost surely, 220220006012 is an apocalyptic number.

It is an amenable number.

20220006012 is an abundant number, since it is smaller than the sum of its proper divisors (26960008044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220006012 is a wasteful number, since it uses less digits than its factorization.

20220006012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685000508 (or 1685000506 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20220006012 its reverse (21060002202), we get a palindrome (41280008214).

The spelling of 20220006012 in words is "twenty billion, two hundred twenty million, six thousand, twelve".

Divisors: 1 2 3 4 6 12 1685000501 3370001002 5055001503 6740002004 10110003006 20220006012