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6800020202020 = 225867293920269
BaseRepresentation
bin110001011110100000011…
…0010011110001000100100
3220002002001002200122211211
41202331000302132020210
51342402420132431040
622243515224241204
71301166561013213
oct142750062361044
926062032618754
106800020202020
112191966145231
12919a81010204
133a4315560816
141971a0ad307a
15bbd3de1a8ea
hex62f40c9e224

6800020202020 has 24 divisors (see below), whose sum is σ = 14280210718200. Its totient is φ = 2719976024832.

The previous prime is 6800020201991. The next prime is 6800020202051. The reversal of 6800020202020 is 202020200086.

It can be written as a sum of positive squares in 4 ways, for example, as 425283971044 + 6374736230976 = 652138^2 + 2524824^2 .

It is a super-2 number, since 2×68000202020202 (a number of 26 digits) contains 22 as substring.

6800020202020 is a modest number, since divided by 20202020 gives 68000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 6800020201982 and 6800020202000.

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, 225555 + ... + 3694714.

It is an arithmetic number, because the mean of its divisors is an integer number (595008779925).

Almost surely, 26800020202020 is an apocalyptic number.

It is an amenable number.

6800020202020 is an abundant number, since it is smaller than the sum of its proper divisors (7480190516180).

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

6800020202020 is a wasteful number, since it uses less digits than its factorization.

6800020202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007007 (or 4007005 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The spelling of 6800020202020 in words is "six trillion, eight hundred billion, twenty million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 86729 173458 346916 433645 867290 1734580 3920269 7840538 15681076 19601345 39202690 78405380 340001010101 680002020202 1360004040404 1700005050505 3400010101010 6800020202020