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20313322122 = 233791501451
BaseRepresentation
bin10010111010110001…
…001011001010001010
31221102200002200101210
4102322301023022022
5313100202301442
613155400553550
71316245250322
oct227261131212
957380080353
1020313322122
118684382625
123b2aa828b6
131bb958b442
14da9b66282
157dd50c19c
hex4bac4b28a

20313322122 has 16 divisors (see below), whose sum is σ = 41724662112. Its totient is φ = 6588104400.

The previous prime is 20313322109. The next prime is 20313322147. The reversal of 20313322122 is 22122331302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45750504 + ... + 45750947.

It is an arithmetic number, because the mean of its divisors is an integer number (2607791382).

Almost surely, 220313322122 is an apocalyptic number.

20313322122 is an abundant number, since it is smaller than the sum of its proper divisors (21411339990).

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

20313322122 is a wasteful number, since it uses less digits than its factorization.

20313322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91501493.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20313322122 its reverse (22122331302), we get a palindrome (42435653424).

The spelling of 20313322122 in words is "twenty billion, three hundred thirteen million, three hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 91501451 183002902 274504353 549008706 3385553687 6771107374 10156661061 20313322122