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20225076 = 2231685423
BaseRepresentation
bin100110100100…
…1110000110100
31102001112120220
41031021300310
520134200301
62001254340
7333624144
oct115116064
942045526
1020225076
1110464443
1269343b0
134261a01
142986924
151b97936
hex1349c34

20225076 has 12 divisors (see below), whose sum is σ = 47191872. Its totient is φ = 6741688.

The previous prime is 20225071. The next prime is 20225077. The reversal of 20225076 is 67052202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842700 + ... + 842723.

It is an arithmetic number, because the mean of its divisors is an integer number (3932656).

Almost surely, 220225076 is an apocalyptic number.

It is an amenable number.

20225076 is an abundant number, since it is smaller than the sum of its proper divisors (26966796).

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

20225076 is a wasteful number, since it uses less digits than its factorization.

20225076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685430 (or 1685428 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20225076 is about 4497.2298140077. The cubic root of 20225076 is about 272.4562160667.

Adding to 20225076 its reverse (67052202), we get a palindrome (87277278).

The spelling of 20225076 in words is "twenty million, two hundred twenty-five thousand, seventy-six".

Divisors: 1 2 3 4 6 12 1685423 3370846 5056269 6741692 10112538 20225076