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2010012220220 = 225421238718791
BaseRepresentation
bin11101001111111110000…
…100000111101100111100
321010011012012121100002012
4131033332010013230330
5230413001112021340
64135215321350352
7265134655654334
oct35177604075474
97104165540065
102010012220220
11705494552054
122856790383b8
1311770a93cb34
146d3dc4b40c4
1537441ea1565
hex1d3fe107b3c

2010012220220 has 24 divisors (see below), whose sum is σ = 4231051869408. Its totient is φ = 802095134400.

The previous prime is 2010012220213. The next prime is 2010012220243. The reversal of 2010012220220 is 220222100102.

It is a junction number, because it is equal to n+sod(n) for n = 2010012220195 and 2010012220204.

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, 119350976 + ... + 119367815.

It is an arithmetic number, because the mean of its divisors is an integer number (176293827892).

Almost surely, 22010012220220 is an apocalyptic number.

2010012220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010012220220 is an abundant number, since it is smaller than the sum of its proper divisors (2221039649188).

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

2010012220220 is a wasteful number, since it uses less digits than its factorization.

2010012220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238719221 (or 238719219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2010012220220 its reverse (220222100102), we get a palindrome (2230234320322).

The spelling of 2010012220220 in words is "two trillion, ten billion, twelve million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 421 842 1684 2105 4210 8420 238718791 477437582 954875164 1193593955 2387187910 4774375820 100500611011 201001222022 402002444044 502503055055 1005006110110 2010012220220