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10020021202220 = 2251600731298873
BaseRepresentation
bin1001000111001111011111…
…0011011110110100101100
31022110220102111122201001112
42101303313303132310230
52303132000411432340
633151044552531152
72052631315635251
oct221636763366454
938426374581045
1010020021202220
113213515824637
121159b449b0ab8
13578b65047843
14268d86173428
1512599c99b065
hex91cf7cded2c

10020021202220 has 24 divisors (see below), whose sum is σ = 21043359749664. Its totient is φ = 4007757961856.

The previous prime is 10020021202201. The next prime is 10020021202223. The reversal of 10020021202220 is 2220212002001.

It is a junction number, because it is equal to n+sod(n) for n = 10020021202195 and 10020021202204.

It is not an unprimeable number, because it can be changed into a prime (10020021202223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15329297 + ... + 15969576.

It is an arithmetic number, because the mean of its divisors is an integer number (876806656236).

Almost surely, 210020021202220 is an apocalyptic number.

10020021202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020021202220 is an abundant number, since it is smaller than the sum of its proper divisors (11023338547444).

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

10020021202220 is a wasteful number, since it uses less digits than its factorization.

10020021202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31314889 (or 31314887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10020021202220 its reverse (2220212002001), we get a palindrome (12240233204221).

The spelling of 10020021202220 in words is "ten trillion, twenty billion, twenty-one million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 16007 32014 64028 80035 160070 320140 31298873 62597746 125195492 156494365 312988730 625977460 501001060111 1002002120222 2004004240444 2505005300555 5010010601110 10020021202220