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30320003220020 = 2253217471246553
BaseRepresentation
bin1101110010011011011010…
…00001011000001000110100
310222100120020011012122111222
412321031231001120020310
512433230331311020040
6144252452302445512
76246355642026353
oct671155501301064
9128316204178458
1030320003220020
11972a706416648
123498277893898
1313bc219502307
1476b6d2db199a
15378a5d63cbb5
hex1b936d058234

30320003220020 has 24 divisors (see below), whose sum is σ = 63691799252424. Its totient is φ = 12124231289856.

The previous prime is 30320003220007. The next prime is 30320003220049. The reversal of 30320003220020 is 2002230002303.

It can be written as a sum of positive squares in 4 ways, for example, as 3414557013904 + 26905446206116 = 1847852^2 + 5187046^2 .

It is a congruent number.

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, 235558937 + ... + 235687616.

It is an arithmetic number, because the mean of its divisors is an integer number (2653824968851).

Almost surely, 230320003220020 is an apocalyptic number.

It is an amenable number.

30320003220020 is an abundant number, since it is smaller than the sum of its proper divisors (33371796032404).

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

30320003220020 is a wasteful number, since it uses less digits than its factorization.

30320003220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471249779 (or 471249777 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 30320003220020 its reverse (2002230002303), we get a palindrome (32322233222323).

The spelling of 30320003220020 in words is "thirty trillion, three hundred twenty billion, three million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 3217 6434 12868 16085 32170 64340 471246553 942493106 1884986212 2356232765 4712465530 9424931060 1516000161001 3032000322002 6064000644004 7580000805005 15160001610010 30320003220020