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20221120201 = 30047672983
BaseRepresentation
bin10010110101010001…
…011100111011001001
31221012020121100010211
4102311101130323021
5312403101321301
613142304441121
71314045454132
oct226521347311
957166540124
1020221120201
118637327997
123b040191a1
131ba34481a9
14d9b804c89
157d5398051
hex4b545cec9

20221120201 has 4 divisors (see below), whose sum is σ = 20221823232. Its totient is φ = 20220417172.

The previous prime is 20221120181. The next prime is 20221120207. The reversal of 20221120201 is 10202112202.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10202112202 = 25101056101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20221120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221120207) 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, 306445 + ... + 366538.

It is an arithmetic number, because the mean of its divisors is an integer number (5055455808).

Almost surely, 220221120201 is an apocalyptic number.

It is an amenable number.

20221120201 is a deficient number, since it is larger than the sum of its proper divisors (703031).

20221120201 is an equidigital number, since it uses as much as digits as its factorization.

20221120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703030.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20221120201 its reverse (10202112202), we get a palindrome (30423232403).

The spelling of 20221120201 in words is "twenty billion, two hundred twenty-one million, one hundred twenty thousand, two hundred one".

Divisors: 1 30047 672983 20221120201