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20003030322 = 231173256873
BaseRepresentation
bin10010101000010001…
…100000010100110010
31220122001020020001220
4102220101200110302
5311431233432242
613104514205510
71305456644442
oct225021402462
956561206056
1020003030322
118535209820
123a62b83896
131b6a1c9022
14d7a874122
157c1168bec
hex4a8460532

20003030322 has 48 divisors (see below), whose sum is σ = 44249791968. Its totient is φ = 5978384640.

The previous prime is 20003030309. The next prime is 20003030347. The reversal of 20003030322 is 22303030002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323278 + ... + 380150.

It is an arithmetic number, because the mean of its divisors is an integer number (921870666).

Almost surely, 220003030322 is an apocalyptic number.

20003030322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003030322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22124895984).

20003030322 is an abundant number, since it is smaller than the sum of its proper divisors (24246761646).

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

20003030322 is a wasteful number, since it uses less digits than its factorization.

20003030322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57035 (or 56962 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20003030322 its reverse (22303030002), we get a palindrome (42306060324).

The spelling of 20003030322 in words is "twenty billion, three million, thirty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 73 146 219 438 803 1606 2409 4818 5329 10658 15987 31974 56873 58619 113746 117238 170619 175857 341238 351714 625603 1251206 1876809 3753618 4151729 8303458 12455187 24910374 45669019 91338038 137007057 274014114 303076217 606152434 909228651 1818457302 3333838387 6667676774 10001515161 20003030322