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1111220302020 = 2235173107053979
BaseRepresentation
bin10000001010111001111…
…001000011000011000100
310221020020212001011112020
4100022321321003003010
5121201234344131040
62210253151323140
7143166034502223
oct20127171030304
93836225034466
101111220302020
113992a1988a74
1215b4415204b0
1380a3154793a
143bad7722cba
151dd8aa59cd0
hex102b9e430c4

1111220302020 has 48 divisors (see below), whose sum is σ = 3129401943360. Its totient is φ = 294612547456.

The previous prime is 1111220302009. The next prime is 1111220302103. The reversal of 1111220302020 is 202030221111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53516610 + ... + 53537369.

It is an arithmetic number, because the mean of its divisors is an integer number (65195873820).

Almost surely, 21111220302020 is an apocalyptic number.

1111220302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111220302020 is an abundant number, since it is smaller than the sum of its proper divisors (2018181641340).

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

1111220302020 is a wasteful number, since it uses less digits than its factorization.

1111220302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107054164 (or 107054162 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1111220302020 its reverse (202030221111), we get a palindrome (1313250523131).

The spelling of 1111220302020 in words is "one trillion, one hundred eleven billion, two hundred twenty million, three hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 173 346 519 692 865 1038 1730 2076 2595 3460 5190 10380 107053979 214107958 321161937 428215916 535269895 642323874 1070539790 1284647748 1605809685 2141079580 3211619370 6423238740 18520338367 37040676734 55561015101 74081353468 92601691835 111122030202 185203383670 222244060404 277805075505 370406767340 555610151010 1111220302020