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21301114220 = 22529359102301
BaseRepresentation
bin10011110101101001…
…010011010101101100
32000222111210201102022
4103311221103111230
5322111041123340
613441404445312
71352601324551
oct236551232554
960874721368
1021301114220
119040a18431
124165849838
132016112ac9
141061016a28
1584a0cb3b5
hex4f5a5356c

21301114220 has 48 divisors (see below), whose sum is σ = 46404187200. Its totient is φ = 8203641600.

The previous prime is 21301114217. The next prime is 21301114229. The reversal of 21301114220 is 2241110312.

It is not an unprimeable number, because it can be changed into a prime (21301114229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157070 + ... + 259370.

It is an arithmetic number, because the mean of its divisors is an integer number (966753900).

Almost surely, 221301114220 is an apocalyptic number.

21301114220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21301114220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23202093600).

21301114220 is an abundant number, since it is smaller than the sum of its proper divisors (25103072980).

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

21301114220 is a wasteful number, since it uses less digits than its factorization.

21301114220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102698 (or 102696 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21301114220 its reverse (2241110312), we get a palindrome (23542224532).

The spelling of 21301114220 in words is "twenty-one billion, three hundred one million, one hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 359 580 718 1436 1795 3590 7180 10411 20822 41644 52055 102301 104110 204602 208220 409204 511505 1023010 2046020 2966729 5933458 11866916 14833645 29667290 36726059 59334580 73452118 146904236 183630295 367260590 734521180 1065055711 2130111422 4260222844 5325278555 10650557110 21301114220