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20601202 = 255718493
BaseRepresentation
bin100111010010…
…1100101110010
31102202122112111
41032211211302
520233214302
62013315534
7340051546
oct116454562
942678474
1020601202
11106a0a96
126a95baa
134363c7b
142a43a26
151c1e0d7
hex13a5972

20601202 has 8 divisors (see below), whose sum is σ = 30958956. Its totient is φ = 10281552.

The previous prime is 20601199. The next prime is 20601211. The reversal of 20601202 is 20210602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18913801 + 1687401 = 4349^2 + 1299^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8133 + ... + 10360.

Almost surely, 220601202 is an apocalyptic number.

20601202 is a deficient number, since it is larger than the sum of its proper divisors (10357754).

20601202 is a wasteful number, since it uses less digits than its factorization.

20601202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19052.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20601202 is about 4538.8547013536. The cubic root of 20601202 is about 274.1348103196.

Adding to 20601202 its reverse (20210602), we get a palindrome (40811804).

The spelling of 20601202 in words is "twenty million, six hundred one thousand, two hundred two".

Divisors: 1 2 557 1114 18493 36986 10300601 20601202