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20300121121201 = 25480379669867
BaseRepresentation
bin1001001110110011111011…
…00000100010000110110001
32122212200011100022010110021
410213121331200202012301
510130044122001334301
6111101425155203441
74163430632325265
oct447317540420661
978780140263407
1020300121121201
1165172621714a9
12233a3715a6581
13b433a723c99c
145027614cc0a5
152530bcebc8a1
hex12767d8221b1

20300121121201 has 4 divisors (see below), whose sum is σ = 20300201045872. Its totient is φ = 20300041196532.

The previous prime is 20300121121169. The next prime is 20300121121253. The reversal of 20300121121201 is 10212112100302.

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 20300121121201 - 25 = 20300121121169 is a prime.

It is a super-4 number, since 4×203001211212014 (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300121121901) 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, 39580131 + ... + 40089736.

It is an arithmetic number, because the mean of its divisors is an integer number (5075050261468).

Almost surely, 220300121121201 is an apocalyptic number.

It is an amenable number.

20300121121201 is a deficient number, since it is larger than the sum of its proper divisors (79924671).

20300121121201 is an equidigital number, since it uses as much as digits as its factorization.

20300121121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79924670.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20300121121201 its reverse (10212112100302), we get a palindrome (30512233221503).

The spelling of 20300121121201 in words is "twenty trillion, three hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 254803 79669867 20300121121201