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20303022 = 233383837
BaseRepresentation
bin100110101110…
…0110010101110
31102012111111210
41031130302232
520144144042
62003055250
7334400325
oct115346256
942174453
1020303022
1110507a63
126971526
13428b32c
1429a70bc
151bb0a9c
hex135ccae

20303022 has 8 divisors (see below), whose sum is σ = 40606056. Its totient is φ = 6767672.

The previous prime is 20303011. The next prime is 20303027. The reversal of 20303022 is 22030302.

It is a sphenic number, since it is the product of 3 distinct primes.

20303022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20302989 and 20303007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691913 + ... + 1691924.

It is an arithmetic number, because the mean of its divisors is an integer number (5075757).

Almost surely, 220303022 is an apocalyptic number.

20303022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20303022 is a wasteful number, since it uses less digits than its factorization.

20303022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383842.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20303022 is about 4505.8874819507. The cubic root of 20303022 is about 272.8057763301.

Adding to 20303022 its reverse (22030302), we get a palindrome (42333324).

It can be divided in two parts, 2030302 and 2, that multiplied together give a palindrome (4060604).

The spelling of 20303022 in words is "twenty million, three hundred three thousand, twenty-two".

Divisors: 1 2 3 6 3383837 6767674 10151511 20303022