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20302211222 = 228136124931
BaseRepresentation
bin10010111010000110…
…110010100010010110
31221101220012012002222
4102322012302202112
5313034331224342
613154322502342
71316051643116
oct227206624226
957356165088
1020302211222
118679083867
123b272049b2
131bb719b047
14da84b3046
157dc564ed2
hex4ba1b2896

20302211222 has 8 divisors (see below), whose sum is σ = 30561692472. Its totient is φ = 10114980400.

The previous prime is 20302211219. The next prime is 20302211233. The reversal of 20302211222 is 22211220302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20302211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18061904 + ... + 18063027.

It is an arithmetic number, because the mean of its divisors is an integer number (3820211559).

Almost surely, 220302211222 is an apocalyptic number.

20302211222 is a deficient number, since it is larger than the sum of its proper divisors (10259481250).

20302211222 is a wasteful number, since it uses less digits than its factorization.

20302211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36125214.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20302211222 its reverse (22211220302), we get a palindrome (42513431524).

The spelling of 20302211222 in words is "twenty billion, three hundred two million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 281 562 36124931 72249862 10151105611 20302211222