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20080022 = 210040011
BaseRepresentation
bin100110010011…
…0010110010110
31101210011121112
41030212112112
520120030042
61554215022
7332451224
oct114462626
941704545
1020080022
1110375466
126884472
134210991
142949b14
151b69982
hex1326596

20080022 has 4 divisors (see below), whose sum is σ = 30120036. Its totient is φ = 10040010.

The previous prime is 20080003. The next prime is 20080031. The reversal of 20080022 is 22008002.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×200800223 (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20079979 and 20080006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5020004 + ... + 5020007.

It is an arithmetic number, because the mean of its divisors is an integer number (7530009).

Almost surely, 220080022 is an apocalyptic number.

20080022 is a deficient number, since it is larger than the sum of its proper divisors (10040014).

20080022 is a wasteful number, since it uses less digits than its factorization.

20080022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040013.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20080022 is about 4481.0737552511. The cubic root of 20080022 is about 271.8033017788.

Adding to 20080022 its reverse (22008002), we get a palindrome (42088024).

The spelling of 20080022 in words is "twenty million, eighty thousand, twenty-two".

Divisors: 1 2 10040011 20080022