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20153201 is a prime number
BaseRepresentation
bin100110011100…
…0001101110001
31101220212222212
41030320031301
520124400301
61555541505
7333204455
oct114701561
941825885
1020153201
1110415442
1268ba895
134238093
142968665
151b814bb
hex1338371

20153201 has 2 divisors, whose sum is σ = 20153202. Its totient is φ = 20153200.

The previous prime is 20153191. The next prime is 20153207. The reversal of 20153201 is 10235102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17181025 + 2972176 = 4145^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 20153201 - 210 = 20152177 is a prime.

It is not a weakly prime, because it can be changed into another prime (20153207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076600 + 10076601.

It is an arithmetic number, because the mean of its divisors is an integer number (10076601).

Almost surely, 220153201 is an apocalyptic number.

It is an amenable number.

20153201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153201 is an equidigital number, since it uses as much as digits as its factorization.

20153201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 20153201 is about 4489.2316714556. The cubic root of 20153201 is about 272.1330852838.

Adding to 20153201 its reverse (10235102), we get a palindrome (30388303).

The spelling of 20153201 in words is "twenty million, one hundred fifty-three thousand, two hundred one".