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1112020112020 = 225225412466661
BaseRepresentation
bin10000001011101001100…
…100000101001010010100
310221022022121000201120211
4100023221210011022110
5121204404122041040
62210504402135204
7143224615664626
oct20135144051224
93838277021524
101112020112020
113996723aa074
1215b625351504
1380b2b1621ac
143bb71a3cc16
151ddd5d958ea
hex102e9905294

1112020112020 has 24 divisors (see below), whose sum is σ = 2335346781768. Its totient is φ = 444788131200.

The previous prime is 1112020111999. The next prime is 1112020112033. The reversal of 1112020112020 is 202110202111.

It can be written as a sum of positive squares in 4 ways, for example, as 602526803076 + 509493308944 = 776226^2 + 713788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782511 + ... + 1684150.

It is an arithmetic number, because the mean of its divisors is an integer number (97306115907).

Almost surely, 21112020112020 is an apocalyptic number.

1112020112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112020112020 is an abundant number, since it is smaller than the sum of its proper divisors (1223326669748).

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

1112020112020 is a wasteful number, since it uses less digits than its factorization.

1112020112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489211 (or 2489209 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1112020112020 its reverse (202110202111), we get a palindrome (1314130314131).

Subtracting from 1112020112020 its reverse (202110202111), we obtain a palindrome (909909909909).

The spelling of 1112020112020 in words is "one trillion, one hundred twelve billion, twenty million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 22541 45082 90164 112705 225410 450820 2466661 4933322 9866644 12333305 24666610 49333220 55601005601 111202011202 222404022404 278005028005 556010056010 1112020112020