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2002100022120 = 23351159107240257
BaseRepresentation
bin11101001000100110011…
…101011110101101101000
321002101202210102000202010
4131020212131132231220
5230300300101201440
64131430235435520
7264434622253362
oct35104635365550
97071683360663
102002100022120
117020a42a4560
1228402b2b5ba0
13116a4965c303
146cc8b743d32
153712c54b580
hex1d22675eb68

2002100022120 has 256 divisors, whose sum is σ = 6725686348800. Its totient is φ = 472670044160.

The previous prime is 2002100022103. The next prime is 2002100022121. The reversal of 2002100022120 is 212200012002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2002100022096 and 2002100022105.

It is not an unprimeable number, because it can be changed into a prime (2002100022121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8213032 + ... + 8453288.

It is an arithmetic number, because the mean of its divisors is an integer number (26272212300).

Almost surely, 22002100022120 is an apocalyptic number.

2002100022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002100022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3362843174400).

2002100022120 is an abundant number, since it is smaller than the sum of its proper divisors (4723586326680).

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

2002100022120 is a wasteful number, since it uses less digits than its factorization.

2002100022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240448 (or 240444 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2002100022120 its reverse (212200012002), we get a palindrome (2214300034122).

The spelling of 2002100022120 in words is "two trillion, two billion, one hundred million, twenty-two thousand, one hundred twenty".