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10222002020 = 2251289396509
BaseRepresentation
bin10011000010100011…
…10101111101100100
3222101101111111122102
421201101311331210
5131413313031040
64410152551232
7511211404106
oct114121657544
928341444572
1010222002020
11437606545a
121b933b2518
13c6b9a9209
146cd831576
153ec611515
hex261475f64

10222002020 has 24 divisors (see below), whose sum is σ = 21482911800. Its totient is φ = 4085618432.

The previous prime is 10222002019. The next prime is 10222002073. The reversal of 10222002020 is 2020022201.

10222002020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1739223616 + 8482778404 = 41704^2 + 92102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10222001992 and 10222002010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172475 + ... + 224034.

It is an arithmetic number, because the mean of its divisors is an integer number (895121325).

Almost surely, 210222002020 is an apocalyptic number.

10222002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222002020 is an abundant number, since it is smaller than the sum of its proper divisors (11260909780).

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

10222002020 is a wasteful number, since it uses less digits than its factorization.

10222002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397807 (or 397805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 10222002020 its reverse (2020022201), we get a palindrome (12242024221).

The spelling of 10222002020 in words is "ten billion, two hundred twenty-two million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 1289 2578 5156 6445 12890 25780 396509 793018 1586036 1982545 3965090 7930180 511100101 1022200202 2044400404 2555500505 5111001010 10222002020