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20276022 = 2313259949
BaseRepresentation
bin100110101011…
…0001100110110
31102011010110210
41031112030312
520142313042
62002330250
7334225524
oct115261466
942133423
1020276022
1110499748
126959986
13427bc60
14299b314
151ba7a9c
hex1356336

20276022 has 16 divisors (see below), whose sum is σ = 43671600. Its totient is φ = 6238752.

The previous prime is 20275991. The next prime is 20276023. The reversal of 20276022 is 22067202.

It is a super-2 number, since 2×202760222 = 822234136288968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20276022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20276023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129897 + ... + 130052.

It is an arithmetic number, because the mean of its divisors is an integer number (2729475).

Almost surely, 220276022 is an apocalyptic number.

20276022 is an abundant number, since it is smaller than the sum of its proper divisors (23395578).

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

20276022 is a wasteful number, since it uses less digits than its factorization.

20276022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259967.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20276022 is about 4502.8904050621. The cubic root of 20276022 is about 272.6847923128.

The spelling of 20276022 in words is "twenty million, two hundred seventy-six thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 78 259949 519898 779847 1559694 3379337 6758674 10138011 20276022