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20300202 = 2321386753
BaseRepresentation
bin100110101110…
…0000110101010
31102012100122100
41031130012222
520144101302
62003034230
7334356156
oct115340652
942170570
1020300202
111050592a
12696b976
134289c70
1429a6066
151baed1c
hex135c1aa

20300202 has 24 divisors (see below), whose sum is σ = 47367684. Its totient is φ = 6246144.

The previous prime is 20300201. The next prime is 20300233. The reversal of 20300202 is 20200302.

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 772641 = 4419^2 + 879^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20300201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43143 + ... + 43610.

Almost surely, 220300202 is an apocalyptic number.

20300202 is an abundant number, since it is smaller than the sum of its proper divisors (27067482).

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

20300202 is a wasteful number, since it uses less digits than its factorization.

20300202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86774 (or 86771 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20300202 is about 4505.5745471582. The cubic root of 20300202 is about 272.7931452399.

Adding to 20300202 its reverse (20200302), we get a palindrome (40500504).

It can be divided in two parts, 20300 and 202, that added together give a palindrome (20502).

The spelling of 20300202 in words is "twenty million, three hundred thousand, two hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 86753 173506 260259 520518 780777 1127789 1561554 2255578 3383367 6766734 10150101 20300202