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20221102201 = 79255963319
BaseRepresentation
bin10010110101010001…
…011000100001111001
31221012020120102110011
4102311101120201321
5312403100232301
613142304221521
71314045350506
oct226521304171
957166512404
1020221102201
118637315413
123b0400a8a1
131ba343cc41
14d9b7dc4ad
157d5392a51
hex4b5458879

20221102201 has 4 divisors (see below), whose sum is σ = 20477065600. Its totient is φ = 19965138804.

The previous prime is 20221102177. The next prime is 20221102261. The reversal of 20221102201 is 10220112202.

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.

It is not a de Polignac number, because 20221102201 - 211 = 20221100153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221102261) 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, 127981581 + ... + 127981738.

It is an arithmetic number, because the mean of its divisors is an integer number (5119266400).

Almost surely, 220221102201 is an apocalyptic number.

It is an amenable number.

20221102201 is a deficient number, since it is larger than the sum of its proper divisors (255963399).

20221102201 is an equidigital number, since it uses as much as digits as its factorization.

20221102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255963398.

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

Adding to 20221102201 its reverse (10220112202), we get a palindrome (30441214403).

The spelling of 20221102201 in words is "twenty billion, two hundred twenty-one million, one hundred two thousand, two hundred one".

Divisors: 1 79 255963319 20221102201