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20275022 = 210137511
BaseRepresentation
bin100110101010…
…1111101001110
31102011002002202
41031111331032
520142300042
62002321502
7334222565
oct115257516
942132082
1020275022
1110498a19
126959292
13427b671
14299abdc
151ba7632
hex1355f4e

20275022 has 4 divisors (see below), whose sum is σ = 30412536. Its totient is φ = 10137510.

The previous prime is 20275019. The next prime is 20275049. The reversal of 20275022 is 22057202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22057202 = 211028601.

It is a super-2 number, since 2×202750222 = 822153034200968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20274985 and 20275003.

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, 5068754 + ... + 5068757.

It is an arithmetic number, because the mean of its divisors is an integer number (7603134).

Almost surely, 220275022 is an apocalyptic number.

20275022 is a deficient number, since it is larger than the sum of its proper divisors (10137514).

20275022 is a wasteful number, since it uses less digits than its factorization.

20275022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137513.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20275022 is about 4502.7793639040. The cubic root of 20275022 is about 272.6803093612.

The spelling of 20275022 in words is "twenty million, two hundred seventy-five thousand, twenty-two".

Divisors: 1 2 10137511 20275022