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20323132130 = 2571012874559
BaseRepresentation
bin10010111011010110…
…100110001011100010
31221110100120002012102
4102323112212023202
5313110210212010
613200351130402
71316424526040
oct227326461342
957410502172
1020323132130
118689972a74
123b32213a02
131bbb614692
14dab19b390
157de2e8ba5
hex4bb5a62e2

20323132130 has 32 divisors (see below), whose sum is σ = 42221537280. Its totient is φ = 6898939200.

The previous prime is 20323132061. The next prime is 20323132139. The reversal of 20323132130 is 3123132302.

It is not an unprimeable number, because it can be changed into a prime (20323132139) 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, 1430210 + ... + 1444349.

It is an arithmetic number, because the mean of its divisors is an integer number (1319423040).

Almost surely, 220323132130 is an apocalyptic number.

20323132130 is an abundant number, since it is smaller than the sum of its proper divisors (21898405150).

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

20323132130 is a wasteful number, since it uses less digits than its factorization.

20323132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874674.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20323132130 its reverse (3123132302), we get a palindrome (23446264432).

The spelling of 20323132130 in words is "twenty billion, three hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1414 3535 7070 2874559 5749118 14372795 20121913 28745590 40243826 100609565 201219130 290330459 580660918 1451652295 2032313213 2903304590 4064626426 10161566065 20323132130