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2220012222020 = 225246834497047
BaseRepresentation
bin100000010011100011000…
…010100011011001000100
321212020020110122202011122
4200103203002203121010
5242333041112101040
64415505354253112
7316250654351465
oct40234302433104
97766213582148
102220012222020
1178655802964a
122ba305727198
1313146694a228
1479640718d6c
153cb332d41b5
hex204e30a3644

2220012222020 has 24 divisors (see below), whose sum is σ = 4662215578944. Its totient is φ = 887968714976.

The previous prime is 2220012221993. The next prime is 2220012222031. The reversal of 2220012222020 is 202222100222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220012222020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754864 + ... + 2742183.

It is an arithmetic number, because the mean of its divisors is an integer number (194258982456).

Almost surely, 22220012222020 is an apocalyptic number.

2220012222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220012222020 is an abundant number, since it is smaller than the sum of its proper divisors (2442203356924).

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

2220012222020 is a wasteful number, since it uses less digits than its factorization.

2220012222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521739 (or 4521737 counting only the distinct ones).

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

Adding to 2220012222020 its reverse (202222100222), we get a palindrome (2422234322242).

The spelling of 2220012222020 in words is "two trillion, two hundred twenty billion, twelve million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 24683 49366 98732 123415 246830 493660 4497047 8994094 17988188 22485235 44970470 89940940 111000611101 222001222202 444002444404 555003055505 1110006111010 2220012222020