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20030130222 = 2320507162791
BaseRepresentation
bin10010101001111000…
…111000100000101110
31220200221020001010220
4102221320320200232
5312010203131342
613111323112210
71306236204054
oct225170704056
956627201126
1020030130222
118549539333
123a70072666
131b729c6c7b
14d802ca1d4
157c371d5ec
hex4a9e3882e

20030130222 has 16 divisors (see below), whose sum is σ = 40062460032. Its totient is φ = 6676343480.

The previous prime is 20030130209. The next prime is 20030130229. The reversal of 20030130222 is 22203103002.

It is a super-2 number, since 2×200301302222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030130229) 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, 41647 + ... + 204437.

It is an arithmetic number, because the mean of its divisors is an integer number (2503903752).

Almost surely, 220030130222 is an apocalyptic number.

20030130222 is an abundant number, since it is smaller than the sum of its proper divisors (20032329810).

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

20030130222 is a wasteful number, since it uses less digits than its factorization.

20030130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183303.

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

Adding to 20030130222 its reverse (22203103002), we get a palindrome (42233233224).

The spelling of 20030130222 in words is "twenty billion, thirty million, one hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 20507 41014 61521 123042 162791 325582 488373 976746 3338355037 6676710074 10015065111 20030130222