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20222211405 = 3511317386621
BaseRepresentation
bin10010110101010101…
…100111010101001101
31221012022122202222210
4102311111213111031
5312403341231110
613142344101033
71314060650364
oct226525472515
957168582883
1020222211405
118637a02810
123b04464779
131ba373aa86
14d9ba0a7db
157d5511520
hex4b556754d

20222211405 has 32 divisors (see below), whose sum is σ = 35408389248. Its totient is φ = 9773753600.

The previous prime is 20222211371. The next prime is 20222211413. The reversal of 20222211405 is 50411222202.

It is not a de Polignac number, because 20222211405 - 26 = 20222211341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141006 + ... + 245615.

It is an arithmetic number, because the mean of its divisors is an integer number (1106512164).

Almost surely, 220222211405 is an apocalyptic number.

It is an amenable number.

20222211405 is a deficient number, since it is larger than the sum of its proper divisors (15186177843).

20222211405 is a wasteful number, since it uses less digits than its factorization.

20222211405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386957.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20222211405 its reverse (50411222202), we get a palindrome (70633433607).

The spelling of 20222211405 in words is "twenty billion, two hundred twenty-two million, two hundred eleven thousand, four hundred five".

Divisors: 1 3 5 11 15 33 55 165 317 951 1585 3487 4755 10461 17435 52305 386621 1159863 1933105 4252831 5799315 12758493 21264155 63792465 122558857 367676571 612794285 1348147427 1838382855 4044442281 6740737135 20222211405