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331033101200020 = 22561271338607541
BaseRepresentation
bin100101101000100101010011…
…0011001111110101010010100
31121102002110021222210221212101
41023101022212121332222110
5321342121242401400040
63132014301323331444
7126504231562400542
oct11321124631765224
91542073258727771
10331033101200020
1196528393680a1a
1231164523980b84
131129339782cc8b
145ba61324a0d92
152840de5dac09a
hex12d12a667ea94

331033101200020 has 24 divisors (see below), whose sum is σ = 706565734039368. Its totient is φ = 130242531619200.

The previous prime is 331033101200017. The next prime is 331033101200023. The reversal of 331033101200020 is 20002101330133.

It is an interprime number because it is at equal distance from previous prime (331033101200017) and next prime (331033101200023).

It can be written as a sum of positive squares in 4 ways, for example, as 360043201296 + 330673057998724 = 600036^2 + 18184418^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331033101200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135669302551 + ... + 135669304990.

It is an arithmetic number, because the mean of its divisors is an integer number (29440238918307).

Almost surely, 2331033101200020 is an apocalyptic number.

It is an amenable number.

331033101200020 is an abundant number, since it is smaller than the sum of its proper divisors (375532632839348).

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

331033101200020 is a wasteful number, since it uses less digits than its factorization.

331033101200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271338607611 (or 271338607609 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 331033101200020 its reverse (20002101330133), we get a palindrome (351035202530153).

The spelling of 331033101200020 in words is "three hundred thirty-one trillion, thirty-three billion, one hundred one million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 271338607541 542677215082 1085354430164 1356693037705 2713386075410 5426772150820 16551655060001 33103310120002 66206620240004 82758275300005 165516550600010 331033101200020