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200020000000000 = 21151073137
BaseRepresentation
bin101101011110101011001001…
…000011000100100000000000
3222020012201120201011022211011
4231132223021003010200000
5202204111430000000000
61545223530334530304
760062653030441435
oct5536531103044000
9866181521138734
10200020000000000
1158807007542374
121a525271366994
13877ba609667cb
14375703bd09b8c
15181cea4d0a2ba
hexb5eac90c4800

200020000000000 has 528 divisors, whose sum is σ = 510475331342340. Its totient is φ = 78336000000000.

The previous prime is 200019999999991. The next prime is 200020000000001. The reversal of 200020000000000 is 20002.

It can be written as a sum of positive squares in 22 ways, for example, as 4692318462976 + 195327681537024 = 2166176^2 + 13975968^2 .

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020000000001) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 1459999999932 + ... + 1460000000068.

Almost surely, 2200020000000000 is an apocalyptic number.

200020000000000 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 200020000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255237665671170).

200020000000000 is an abundant number, since it is smaller than the sum of its proper divisors (310455331342340).

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

200020000000000 is an frugal number, since it uses more digits than its factorization.

200020000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 4.

Adding to 200020000000000 its reverse (20002), we get a palindrome (200020000020002).

200020000000000 divided by its reverse (20002) gives a 10-th power (10000000000 = 1010).

The spelling of 200020000000000 in words is "two hundred trillion, twenty billion", and thus it is an aban number.