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200211121022020 = 22529421978180477
BaseRepresentation
bin101101100001011101001000…
…101111111010010001000100
3222020212222220021002012022021
4231201131020233322101010
5202220224333440201040
61545451415205412524
760112530135353323
oct5541351057722104
9866788807065267
10200211121022020
1158880072361a39
121a55630b40a144
138793a9b5c9854
1437623acaba0ba
151822e3da0b24a
hexb61748bfa444

200211121022020 has 48 divisors (see below), whose sum is σ = 434951761411440. Its totient is φ = 77321073826304.

The previous prime is 200211121021969. The next prime is 200211121022021. The reversal of 200211121022020 is 20220121112002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3199354678276 + 197011766343744 = 1788674^2 + 14036088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200211121021985 and 200211121022003.

It is not an unprimeable number, because it can be changed into a prime (200211121022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20384022 + ... + 28564498.

It is an arithmetic number, because the mean of its divisors is an integer number (9061495029405).

Almost surely, 2200211121022020 is an apocalyptic number.

200211121022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200211121022020 is an abundant number, since it is smaller than the sum of its proper divisors (234740640389420).

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

200211121022020 is a wasteful number, since it uses less digits than its factorization.

200211121022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222712 (or 8222710 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200211121022020 its reverse (20220121112002), we get a palindrome (220431242134022).

The spelling of 200211121022020 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty-one million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 42197 84394 168788 210985 421970 843940 1223713 2447426 4894852 6118565 8180477 12237130 16360954 24474260 32721908 40902385 81804770 163609540 237233833 474467666 948935332 1186169165 2372338330 4744676660 345191587969 690383175938 1380766351876 1725957939845 3451915879690 6903831759380 10010556051101 20021112102202 40042224204404 50052780255505 100105560511010 200211121022020