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2010000201220 = 2251136979247069
BaseRepresentation
bin11101001111111101010…
…110010001011000000100
321010011011100222201010001
4131033331112101120010
5230412440022414340
64135214212011044
7265134451545454
oct35177526213004
97104140881101
102010000201220
11705488792aa0
12285675000a84
131177082c22bb
146d3daa65d64
1537440dca29a
hex1d3fd591604

2010000201220 has 48 divisors (see below), whose sum is σ = 4604870894400. Its totient is φ = 730886440320.

The previous prime is 2010000201161. The next prime is 2010000201281. The reversal of 2010000201220 is 221020000102.

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 = 2010000201197 and 2010000201206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8011846 + ... + 8258914.

It is an arithmetic number, because the mean of its divisors is an integer number (95934810300).

Almost surely, 22010000201220 is an apocalyptic number.

2010000201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010000201220 is an abundant number, since it is smaller than the sum of its proper divisors (2594870693180).

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

2010000201220 is a wasteful number, since it uses less digits than its factorization.

2010000201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284068 (or 284066 counting only the distinct ones).

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

Adding to 2010000201220 its reverse (221020000102), we get a palindrome (2231020201322).

The spelling of 2010000201220 in words is "two trillion, ten billion, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 36979 73958 147916 184895 247069 369790 406769 494138 739580 813538 988276 1235345 1627076 2033845 2470690 2717759 4067690 4941380 5435518 8135380 10871036 13588795 27177590 54355180 9136364551 18272729102 36545458204 45681822755 91363645510 100500010061 182727291020 201000020122 402000040244 502500050305 1005000100610 2010000201220