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1022102112020 = 2251113213516971
BaseRepresentation
bin11101101111110100000…
…10001000011100010100
310121201020001110001022112
432313322002020130110
5113221231120041040
62101314111250152
7133562433414263
oct16677202103424
93551201401275
101022102112020
1136451aaa5880
1214610bb19958
13754cb320732
14376819a85da
151b8c1d15365
hexedfa088714

1022102112020 has 48 divisors (see below), whose sum is σ = 2343316239936. Its totient is φ = 371392032000.

The previous prime is 1022102112011. The next prime is 1022102112041. The reversal of 1022102112020 is 202112012201.

It is a junction number, because it is equal to n+sod(n) for n = 1022102111986 and 1022102112004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467866 + ... + 2049105.

It is an arithmetic number, because the mean of its divisors is an integer number (48819088332).

Almost surely, 21022102112020 is an apocalyptic number.

1022102112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022102112020 is an abundant number, since it is smaller than the sum of its proper divisors (1321214127916).

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

1022102112020 is a wasteful number, since it uses less digits than its factorization.

1022102112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518312 (or 3518310 counting only the distinct ones).

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

Adding to 1022102112020 its reverse (202112012201), we get a palindrome (1224214124221).

The spelling of 1022102112020 in words is "one trillion, twenty-two billion, one hundred two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1321 2642 5284 6605 13210 14531 26420 29062 58124 72655 145310 290620 3516971 7033942 14067884 17584855 35169710 38686681 70339420 77373362 154746724 193433405 386866810 773733620 4645918691 9291837382 18583674764 23229593455 46459186910 51105105601 92918373820 102210211202 204420422404 255525528005 511051056010 1022102112020