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1022202210220 = 225370113809811
BaseRepresentation
bin11101101111111111111…
…11111110011110101100
310121201111000210120020021
432313333333332132230
5113221432231211340
62101332044531524
7133565060265622
oct16677777763654
93551430716207
101022202210220
11364571554064
12146139550ba4
1375515c99b39
1437690dc3512
151b8ca9d8e4a
hexedffffe7ac

1022202210220 has 24 divisors (see below), whose sum is σ = 2147204809008. Its totient is φ = 408770376000.

The previous prime is 1022202210149. The next prime is 1022202210223. The reversal of 1022202210220 is 220122022201.

It is a junction number, because it is equal to n+sod(n) for n = 1022202210194 and 1022202210203.

It is not an unprimeable number, because it can be changed into a prime (1022202210223) 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, 6830886 + ... + 6978925.

It is an arithmetic number, because the mean of its divisors is an integer number (89466867042).

Almost surely, 21022202210220 is an apocalyptic number.

1022202210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022202210220 is an abundant number, since it is smaller than the sum of its proper divisors (1125002598788).

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

1022202210220 is a wasteful number, since it uses less digits than its factorization.

1022202210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813521 (or 13813519 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1022202210220 its reverse (220122022201), we get a palindrome (1242324232421).

The spelling of 1022202210220 in words is "one trillion, twenty-two billion, two hundred two million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3701 7402 14804 18505 37010 74020 13809811 27619622 55239244 69049055 138098110 276196220 51110110511 102220221022 204440442044 255550552555 511101105110 1022202210220