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2210220202220 = 225110511010111
BaseRepresentation
bin100000001010011011011…
…000111101100011101100
321211021222001020121020122
4200022123120331203230
5242203012332432340
64411210001304112
7315453213512012
oct40123330754354
97737861217218
102210220202220
117823927581a8
122b8432335038
1313056607c484
1478d920548b2
153c75d809db5
hex2029b63d8ec

2210220202220 has 12 divisors (see below), whose sum is σ = 4641462424704. Its totient is φ = 884088080880.

The previous prime is 2210220202153. The next prime is 2210220202243. The reversal of 2210220202220 is 222020220122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55255505036 + ... + 55255505075.

It is an arithmetic number, because the mean of its divisors is an integer number (386788535392).

Almost surely, 22210220202220 is an apocalyptic number.

2210220202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210220202220 is an abundant number, since it is smaller than the sum of its proper divisors (2431242222484).

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

2210220202220 is a wasteful number, since it uses less digits than its factorization.

2210220202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110511010120 (or 110511010118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2210220202220 its reverse (222020220122), we get a palindrome (2432240422342).

The spelling of 2210220202220 in words is "two trillion, two hundred ten billion, two hundred twenty million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 110511010111 221022020222 442044040444 552555050555 1105110101110 2210220202220