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20122130 = 2572631093
BaseRepresentation
bin100110011000…
…0101000010010
31101212022101002
41030300220102
520122402010
61555142002
7333015050
oct114605022
941768332
1020122130
11103a4066
1268a4902
134226bb2
14295b1d0
151b771a5
hex1330a12

20122130 has 32 divisors (see below), whose sum is σ = 41589504. Its totient is φ = 6866496.

The previous prime is 20122093. The next prime is 20122133. The reversal of 20122130 is 3122102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20122133) 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, 17864 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (1299672).

Almost surely, 220122130 is an apocalyptic number.

20122130 is an abundant number, since it is smaller than the sum of its proper divisors (21467374).

20122130 is a wasteful number, since it uses less digits than its factorization.

20122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20122130 is about 4485.7697221324. The cubic root of 20122130 is about 271.9931605114.

Adding to 20122130 its reverse (3122102), we get a palindrome (23244232).

The spelling of 20122130 in words is "twenty million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 263 526 1093 1315 1841 2186 2630 3682 5465 7651 9205 10930 15302 18410 38255 76510 287459 574918 1437295 2012213 2874590 4024426 10061065 20122130