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20098201 = 83242147
BaseRepresentation
bin100110010101…
…0110010011001
31101211002112211
41030222302121
520121120301
61554435121
7332555224
oct114526231
941732484
1020098201
1110388092
126892aa1
134219036
1429525bb
151b70051
hex132ac99

20098201 has 4 divisors (see below), whose sum is σ = 20340432. Its totient is φ = 19855972.

The previous prime is 20098193. The next prime is 20098229. The reversal of 20098201 is 10289002.

20098201 = T654 + T655 + ... + T736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20098201 - 23 = 20098193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20098601) 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, 120991 + ... + 121156.

It is an arithmetic number, because the mean of its divisors is an integer number (5085108).

Almost surely, 220098201 is an apocalyptic number.

It is an amenable number.

20098201 is a deficient number, since it is larger than the sum of its proper divisors (242231).

20098201 is an equidigital number, since it uses as much as digits as its factorization.

20098201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242230.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 20098201 is about 4483.1017164459. The cubic root of 20098201 is about 271.8853007239.

The spelling of 20098201 in words is "twenty million, ninety-eight thousand, two hundred one".

Divisors: 1 83 242147 20098201