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220060605920 = 2551375378787
BaseRepresentation
bin1100110011110010100…
…0100101110111100000
3210001000101212001102212
43030330220211313200
512101141003342140
6245032222301252
721620210200361
oct3147450456740
9701011761385
10220060605920
1185366525361
1236795a27828
13179a04267ac
14a918461b68
155ace6b2765
hex333ca25de0

220060605920 has 24 divisors (see below), whose sum is σ = 519893181864. Its totient is φ = 88024242304.

The previous prime is 220060605899. The next prime is 220060605967. The reversal of 220060605920 is 29506060022.

It is a happy number.

220060605920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687689234 + ... + 687689553.

It is an arithmetic number, because the mean of its divisors is an integer number (21662215911).

Almost surely, 2220060605920 is an apocalyptic number.

220060605920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220060605920 is an abundant number, since it is smaller than the sum of its proper divisors (299832575944).

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

220060605920 is a wasteful number, since it uses less digits than its factorization.

220060605920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375378802 (or 1375378794 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 220060605920 its reverse (29506060022), we get a palindrome (249566665942).

The spelling of 220060605920 in words is "two hundred twenty billion, sixty million, six hundred five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1375378787 2750757574 5501515148 6876893935 11003030296 13753787870 22006060592 27507575740 44012121184 55015151480 110030302960 220060605920