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2210020220220 = 223545780598841
BaseRepresentation
bin100000001010001111011…
…110000101110100111100
321211021110002221110111220
4200022033132011310330
5242202110134021340
64411134055113340
7315445234631061
oct40121736056474
97737402843456
102210020220220
1178229a88781a
122b8397372850
13130533800427
1478d73678c68
153c74aea5ed0
hex2028f785d3c

2210020220220 has 48 divisors (see below), whose sum is σ = 6201597298848. Its totient is φ = 588049136640.

The previous prime is 2210020220141. The next prime is 2210020220227. The reversal of 2210020220220 is 220220200122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2210020220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210020220227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40272001 + ... + 40326840.

It is an arithmetic number, because the mean of its divisors is an integer number (129199943726).

Almost surely, 22210020220220 is an apocalyptic number.

2210020220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210020220220 is an abundant number, since it is smaller than the sum of its proper divisors (3991577078628).

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

2210020220220 is a wasteful number, since it uses less digits than its factorization.

2210020220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80599310 (or 80599308 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2210020220220 its reverse (220220200122), we get a palindrome (2430240420342).

The spelling of 2210020220220 in words is "two trillion, two hundred ten billion, twenty million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 457 914 1371 1828 2285 2742 4570 5484 6855 9140 13710 27420 80598841 161197682 241796523 322395364 402994205 483593046 805988410 967186092 1208982615 1611976820 2417965230 4835930460 36833670337 73667340674 110501011011 147334681348 184168351685 221002022022 368336703370 442004044044 552505055055 736673406740 1105010110110 2210020220220