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20302321002 = 234229800123
BaseRepresentation
bin10010111010000111…
…001101010101101010
31221101220101202200220
4102322013031111222
5313034343233002
613154325110510
71316052611145
oct227207152552
957356352626
1020302321002
118679149297
123b27258436
131bb7208cc2
14da850105c
157dc5877bc
hex4ba1cd56a

20302321002 has 16 divisors (see below), whose sum is σ = 40614294240. Its totient is φ = 6765831632.

The previous prime is 20302320959. The next prime is 20302321003. The reversal of 20302321002 is 20012320302.

It is not an unprimeable number, because it can be changed into a prime (20302321003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374688 + ... + 425435.

It is an arithmetic number, because the mean of its divisors is an integer number (2538393390).

Almost surely, 220302321002 is an apocalyptic number.

20302321002 is an abundant number, since it is smaller than the sum of its proper divisors (20311973238).

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

20302321002 is a wasteful number, since it uses less digits than its factorization.

20302321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804357.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20302321002 its reverse (20012320302), we get a palindrome (40314641304).

The spelling of 20302321002 in words is "twenty billion, three hundred two million, three hundred twenty-one thousand, two".

Divisors: 1 2 3 6 4229 8458 12687 25374 800123 1600246 2400369 4800738 3383720167 6767440334 10151160501 20302321002