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20301400220 = 2252803362137
BaseRepresentation
bin10010111010000011…
…101100100010011100
31221101211122222121212
4102322003230202130
5313034124301340
613154253243552
71316042024513
oct227203544234
957354588555
1020301400220
11867867a512
123b26a935b8
131bb6c75b6a
14da834167a
157dc454a65
hex4ba0ec89c

20301400220 has 24 divisors (see below), whose sum is σ = 42648267984. Its totient is φ = 8117640576.

The previous prime is 20301400201. The next prime is 20301400247. The reversal of 20301400220 is 2200410302.

It is a junction number, because it is equal to n+sod(n) for n = 20301400195 and 20301400204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125009 + ... + 237128.

It is an arithmetic number, because the mean of its divisors is an integer number (1777011166).

Almost surely, 220301400220 is an apocalyptic number.

20301400220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301400220 is an abundant number, since it is smaller than the sum of its proper divisors (22346867764).

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

20301400220 is a wasteful number, since it uses less digits than its factorization.

20301400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364949 (or 364947 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20301400220 its reverse (2200410302), we get a palindrome (22501810522).

The spelling of 20301400220 in words is "twenty billion, three hundred one million, four hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2803 5606 11212 14015 28030 56060 362137 724274 1448548 1810685 3621370 7242740 1015070011 2030140022 4060280044 5075350055 10150700110 20301400220