Search a number
-
+
20221030351 = 34871579881
BaseRepresentation
bin10010110101010001…
…000110111111001111
31221012020102202220001
4102311101012333033
5312403040432401
613142302505131
71314044631154
oct226521067717
957166382801
1020221030351
118637276435
123b03b951a7
131ba3416322
14d9b7c022b
157d537b601
hex4b5446fcf

20221030351 has 4 divisors (see below), whose sum is σ = 20221645104. Its totient is φ = 20220415600.

The previous prime is 20221030339. The next prime is 20221030367. The reversal of 20221030351 is 15303012202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20221030351 - 219 = 20220506063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221030381) 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, 255070 + ... + 324811.

It is an arithmetic number, because the mean of its divisors is an integer number (5055411276).

Almost surely, 220221030351 is an apocalyptic number.

20221030351 is a deficient number, since it is larger than the sum of its proper divisors (614753).

20221030351 is an equidigital number, since it uses as much as digits as its factorization.

20221030351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614752.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20221030351 its reverse (15303012202), we get a palindrome (35524042553).

The spelling of 20221030351 in words is "twenty billion, two hundred twenty-one million, thirty thousand, three hundred fifty-one".

Divisors: 1 34871 579881 20221030351