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2202011202220 = 225110100560111
BaseRepresentation
bin100000000010110010000…
…110000111001010101100
321210111202221120012020121
4200002302012013022230
5242034204331432340
64403331234054324
7315042614251264
oct40026206071254
97714687505217
102202011202220
1177995aa0aa85
122b692111a3a4
1312c85845071b
1478813b047a4
153c42ccc894a
hex200b21872ac

2202011202220 has 12 divisors (see below), whose sum is σ = 4624223524704. Its totient is φ = 880804480880.

The previous prime is 2202011202217. The next prime is 2202011202331. The reversal of 2202011202220 is 222021102022.

It is a junction number, because it is equal to n+sod(n) for n = 2202011202194 and 2202011202203.

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, 55050280036 + ... + 55050280075.

It is an arithmetic number, because the mean of its divisors is an integer number (385351960392).

Almost surely, 22202011202220 is an apocalyptic number.

2202011202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202011202220 is an abundant number, since it is smaller than the sum of its proper divisors (2422212322484).

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

2202011202220 is a wasteful number, since it uses less digits than its factorization.

2202011202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110100560120 (or 110100560118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2202011202220 its reverse (222021102022), we get a palindrome (2424032304242).

The spelling of 2202011202220 in words is "two trillion, two hundred two billion, eleven million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 110100560111 220201120222 440402240444 550502800555 1101005601110 2202011202220