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11010020220020 = 2251579348639019
BaseRepresentation
bin1010000000110111100001…
…0110000001110001110100
31102222112210020110121002102
42200031320112001301310
52420342010134020040
635225533343401232
72214306364511633
oct240157026016164
942875706417072
1011010020220020
113565361424588
1212999955b3218
1361b318370b23
142a0c6027d51a
151415e120d515
hexa0378581c74

11010020220020 has 24 divisors (see below), whose sum is σ = 23135685367200. Its totient is φ = 4401218963232.

The previous prime is 11010020220019. The next prime is 11010020220049. The reversal of 11010020220020 is 2002202001011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11010020219983 and 11010020220010.

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, 174287930 + ... + 174351089.

It is an arithmetic number, because the mean of its divisors is an integer number (963986890300).

Almost surely, 211010020220020 is an apocalyptic number.

11010020220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010020220020 is an abundant number, since it is smaller than the sum of its proper divisors (12125665147180).

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

11010020220020 is a wasteful number, since it uses less digits than its factorization.

11010020220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348640607 (or 348640605 counting only the distinct ones).

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

Adding to 11010020220020 its reverse (2002202001011), we get a palindrome (13012222221031).

The spelling of 11010020220020 in words is "eleven trillion, ten billion, twenty million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 1579 3158 6316 7895 15790 31580 348639019 697278038 1394556076 1743195095 3486390190 6972780380 550501011001 1101002022002 2202004044004 2752505055005 5505010110010 11010020220020