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20302200222 = 2371191249517
BaseRepresentation
bin10010111010000110…
…101111110110011110
31221101220011122000120
4102322012233312132
5313034330401342
613154322335410
71316051566053
oct227206576636
957356148016
1020302200222
118679076577
123b271ba566
131bb7196035
14da84ad02a
157dc561aec
hex4ba1afd9e

20302200222 has 32 divisors (see below), whose sum is σ = 41392041984. Its totient is φ = 6637125600.

The previous prime is 20302200221. The next prime is 20302200313. The reversal of 20302200222 is 22200220302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302200221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43393 + ... + 206124.

It is an arithmetic number, because the mean of its divisors is an integer number (1293501312).

Almost surely, 220302200222 is an apocalyptic number.

20302200222 is an abundant number, since it is smaller than the sum of its proper divisors (21089841762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302200222 is a wasteful number, since it uses less digits than its factorization.

20302200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249784.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20302200222 its reverse (22200220302), we get a palindrome (42502420524).

The spelling of 20302200222 in words is "twenty billion, three hundred two million, two hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 71 142 191 213 382 426 573 1146 13561 27122 40683 81366 249517 499034 748551 1497102 17715707 35431414 47657747 53147121 95315494 106294242 142973241 285946482 3383700037 6767400074 10151100111 20302200222