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20130002200 = 23527111989773
BaseRepresentation
bin10010101111110101…
…110111010100011000
31220221220011001202001
4102233311313110120
5312211240032300
613125251450344
71311561124030
oct225765672430
956856131661
1020130002200
11859a952660
123a995b69b4
131b8a5c4409
14d8d6868c0
157cc39a16a
hex4afd77518

20130002200 has 384 divisors, whose sum is σ = 62192448000. Its totient is φ = 5869670400.

The previous prime is 20130002197. The next prime is 20130002213. The reversal of 20130002200 is 220003102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26041014 + ... + 26041786.

It is an arithmetic number, because the mean of its divisors is an integer number (161959500).

Almost surely, 220130002200 is an apocalyptic number.

20130002200 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 20130002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31096224000).

20130002200 is an abundant number, since it is smaller than the sum of its proper divisors (42062445800).

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

20130002200 is a wasteful number, since it uses less digits than its factorization.

20130002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20130002200 its reverse (220003102), we get a palindrome (20350005302).

The spelling of 20130002200 in words is "twenty billion, one hundred thirty million, two thousand, two hundred".