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20602207 is a prime number
BaseRepresentation
bin100111010010…
…1110101011111
31102202200220201
41032211311133
520233232312
62013324331
7340054513
oct116456537
942680821
1020602207
11106a181a
126a966a7
134364572
142a44143
151c1e557
hex13a5d5f

20602207 has 2 divisors, whose sum is σ = 20602208. Its totient is φ = 20602206.

The previous prime is 20602189. The next prime is 20602217. The reversal of 20602207 is 70220602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20602207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20602217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10301103 + 10301104.

It is an arithmetic number, because the mean of its divisors is an integer number (10301104).

Almost surely, 220602207 is an apocalyptic number.

20602207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20602207 is an equidigital number, since it uses as much as digits as its factorization.

20602207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20602207 is about 4538.9654107517. The cubic root of 20602207 is about 274.1392680046.

Adding to 20602207 its reverse (70220602), we get a palindrome (90822809).

The spelling of 20602207 in words is "twenty million, six hundred two thousand, two hundred seven".