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112200002020 = 2258963033709
BaseRepresentation
bin110100001111110100…
…1000010100111100100
3101201121102002122210101
41220133221002213210
53314241200031040
6123313255233444
711051264165341
oct1503751024744
9351542078711
10112200002020
1143646a811a7
12198b3678884
13a77122c452
1456054617c8
152dba31509a
hex1a1fa429e4

112200002020 has 24 divisors (see below), whose sum is σ = 238267423800. Its totient is φ = 44375730432.

The previous prime is 112200002003. The next prime is 112200002059. The reversal of 112200002020 is 20200002211.

It can be written as a sum of positive squares in 4 ways, for example, as 24144187456 + 88055814564 = 155384^2 + 296742^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 112200001988 and 112200002006.

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, 31515075 + ... + 31518634.

It is an arithmetic number, because the mean of its divisors is an integer number (9927809325).

Almost surely, 2112200002020 is an apocalyptic number.

112200002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112200002020 is an abundant number, since it is smaller than the sum of its proper divisors (126067421780).

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

112200002020 is a wasteful number, since it uses less digits than its factorization.

112200002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63033807 (or 63033805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 112200002020 its reverse (20200002211), we get a palindrome (132400004231).

The spelling of 112200002020 in words is "one hundred twelve billion, two hundred million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 63033709 126067418 252134836 315168545 630337090 1260674180 5610000101 11220000202 22440000404 28050000505 56100001010 112200002020