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20220130 = 257372211
BaseRepresentation
bin100110100100…
…0100011100010
31102001021210201
41031020203202
520134021010
62001215414
7333603550
oct115104342
942037721
1020220130
1110460757
12693156a
13425c698
142984bd0
151b9623a
hex13488e2

20220130 has 48 divisors (see below), whose sum is σ = 42952896. Its totient is φ = 6713280.

The previous prime is 20220127. The next prime is 20220133. The reversal of 20220130 is 3102202.

It is an interprime number because it is at equal distance from previous prime (20220127) and next prime (20220133).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20220133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95725 + ... + 95935.

It is an arithmetic number, because the mean of its divisors is an integer number (894852).

Almost surely, 220220130 is an apocalyptic number.

20220130 is an abundant number, since it is smaller than the sum of its proper divisors (22732766).

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

20220130 is a wasteful number, since it uses less digits than its factorization.

20220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20220130 is about 4496.6798863161. The cubic root of 20220130 is about 272.4340047236.

Adding to 20220130 its reverse (3102202), we get a palindrome (23322332).

The spelling of 20220130 in words is "twenty million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 37 70 74 185 211 259 370 422 518 1055 1295 1369 1477 2110 2590 2738 2954 6845 7385 7807 9583 13690 14770 15614 19166 39035 47915 54649 78070 95830 109298 273245 288859 546490 577718 1444295 2022013 2888590 4044026 10110065 20220130