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11020213220 = 2253071794823
BaseRepresentation
bin10100100001101101…
…10001101111100100
31001110000110211120012
422100312301233210
5140032133310340
65021305225352
7540043160342
oct122066615744
931400424505
1011020213220
114745694335
122176792258
131068183b33
14767852992
15447733565
hex290db1be4

11020213220 has 24 divisors (see below), whose sum is σ = 23217843264. Its totient is φ = 4393724256.

The previous prime is 11020213201. The next prime is 11020213231. The reversal of 11020213220 is 2231202011.

It is a happy number.

11020213220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11020213195 and 11020213204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891272 + ... + 903551.

It is an arithmetic number, because the mean of its divisors is an integer number (967410136).

Almost surely, 211020213220 is an apocalyptic number.

11020213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020213220 is an abundant number, since it is smaller than the sum of its proper divisors (12197630044).

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

11020213220 is a wasteful number, since it uses less digits than its factorization.

11020213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795139 (or 1795137 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11020213220 its reverse (2231202011), we get a palindrome (13251415231).

The spelling of 11020213220 in words is "eleven billion, twenty million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 307 614 1228 1535 3070 6140 1794823 3589646 7179292 8974115 17948230 35896460 551010661 1102021322 2204042644 2755053305 5510106610 11020213220