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2202111200020 = 225110105560001
BaseRepresentation
bin100000000010111000000…
…011100100101100010100
321210112000220201121102211
4200002320003210230110
5242034410431400040
64403345205243204
7315045240234124
oct40027003445424
97715026647384
102202111200020
11779a013aa896
122b694a703504
1312c873093214
14788230d4c84
153c43697c8ea
hex200b80e4b14

2202111200020 has 12 divisors (see below), whose sum is σ = 4624433520084. Its totient is φ = 880844480000.

The previous prime is 2202111200017. The next prime is 2202111200021. The reversal of 2202111200020 is 200021112022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1421846377744 + 780264822276 = 1192412^2 + 883326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202111200021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55052779981 + ... + 55052780020.

It is an arithmetic number, because the mean of its divisors is an integer number (385369460007).

Almost surely, 22202111200020 is an apocalyptic number.

2202111200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202111200020 is an abundant number, since it is smaller than the sum of its proper divisors (2422322320064).

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

2202111200020 is a wasteful number, since it uses less digits than its factorization.

2202111200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110105560010 (or 110105560008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2202111200020 its reverse (200021112022), we get a palindrome (2402132312042).

The spelling of 2202111200020 in words is "two trillion, two hundred two billion, one hundred eleven million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 110105560001 220211120002 440422240004 550527800005 1101055600010 2202111200020