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2002211110220 = 225100110555511
BaseRepresentation
bin11101001000101101000…
…101001111110101001100
321002102001112102212222012
4131020231011033311030
5230301012021011340
64131445244440352
7264440441426366
oct35105505176514
97072045385865
102002211110220
11702150a79702
122840605490b8
13116a66685a09
146cc9c3bdd36
1537137191565
hex1d22d14fd4c

2002211110220 has 12 divisors (see below), whose sum is σ = 4204643331504. Its totient is φ = 800884444080.

The previous prime is 2002211110219. The next prime is 2002211110253. The reversal of 2002211110220 is 220111122002.

It is a junction number, because it is equal to n+sod(n) for n = 2002211110195 and 2002211110204.

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, 50055277736 + ... + 50055277775.

It is an arithmetic number, because the mean of its divisors is an integer number (350386944292).

Almost surely, 22002211110220 is an apocalyptic number.

2002211110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002211110220 is an abundant number, since it is smaller than the sum of its proper divisors (2202432221284).

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

2002211110220 is a wasteful number, since it uses less digits than its factorization.

2002211110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100110555520 (or 100110555518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002211110220 its reverse (220111122002), we get a palindrome (2222322232222).

The spelling of 2002211110220 in words is "two trillion, two billion, two hundred eleven million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 100110555511 200221111022 400442222044 500552777555 1001105555110 2002211110220