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1220020020110 = 251381195145281
BaseRepresentation
bin10001110000001110110…
…111000010001110001110
311022122002021220111122202
4101300032313002032032
5124442100111120420
62332245223041502
7154100143031423
oct21601667021616
94278067814582
101220020020110
1143045354a561
121785462a0292
138b080181c58
1443099341d4a
1521b075ad575
hex11c0edc238e

1220020020110 has 32 divisors (see below), whose sum is σ = 2198801182464. Its totient is φ = 487393920000.

The previous prime is 1220020020067. The next prime is 1220020020119. The reversal of 1220020020110 is 110200200221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220020020091 and 1220020020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220020020119) 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, 26920670 + ... + 26965950.

It is an arithmetic number, because the mean of its divisors is an integer number (68712536952).

Almost surely, 21220020020110 is an apocalyptic number.

1220020020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220020020110 is a deficient number, since it is larger than the sum of its proper divisors (978781162354).

1220020020110 is a wasteful number, since it uses less digits than its factorization.

1220020020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48620.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220020020110 its reverse (110200200221), we get a palindrome (1330220220331).

The spelling of 1220020020110 in words is "one trillion, two hundred twenty billion, twenty million, twenty thousand, one hundred ten".

Divisors: 1 2 5 10 1381 1951 2762 3902 6905 9755 13810 19510 45281 90562 226405 452810 2694331 5388662 13471655 26943310 62533061 88343231 125066122 176686462 312665305 441716155 625330610 883432310 122002002011 244004004022 610010010055 1220020020110