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1202221110020 = 225773311715271
BaseRepresentation
bin10001011111101001111…
…101100101001100000100
311020221010212010012010112
4101133221331211030010
5124144122101010040
62320143122412152
7152600105553320
oct21375175451404
94227125105115
101202221110020
1142394a524a07
12174bb9501058
13894a47caaa8
144228b4dc980
1521414bc7365
hex117e9f65304

1202221110020 has 48 divisors (see below), whose sum is σ = 2889267241728. Its totient is φ = 411627726720.

The previous prime is 1202221110011. The next prime is 1202221110109. The reversal of 1202221110020 is 200111222021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1202221109977 and 1202221110004.

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, 5755016 + ... + 5960255.

It is an arithmetic number, because the mean of its divisors is an integer number (60193067536).

Almost surely, 21202221110020 is an apocalyptic number.

1202221110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202221110020 is an abundant number, since it is smaller than the sum of its proper divisors (1687046131708).

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

1202221110020 is a wasteful number, since it uses less digits than its factorization.

1202221110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716020 (or 11716018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202221110020 its reverse (200111222021), we get a palindrome (1402332332041).

The spelling of 1202221110020 in words is "one trillion, two hundred two billion, two hundred twenty-one million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 733 1466 2932 3665 5131 7330 10262 14660 20524 25655 51310 102620 11715271 23430542 46861084 58576355 82006897 117152710 164013794 234305420 328027588 410034485 820068970 1640137940 8587293643 17174587286 34349174572 42936468215 60111055501 85872936430 120222111002 171745872860 240444222004 300555277505 601110555010 1202221110020