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200220202120020 = 223531107645269957
BaseRepresentation
bin101101100001100101100110…
…000001100011001101010100
3222020220212100010202202212020
4231201211212001203031110
5202220401433220320040
61545455520245053140
760113301154412565
oct5541454601431524
9866825303682766
10200220202120020
1158883a02404305
121a5580246b71b0
1387948b7b02c14
1437629d0ba216c
1518232c0da6cd0
hexb61966063354

200220202120020 has 48 divisors (see below), whose sum is σ = 578700971294208. Its totient is φ = 51669729578880.

The previous prime is 200220202120007. The next prime is 200220202120067. The reversal of 200220202120020 is 20021202022002.

It is a super-2 number, since 2×2002202021200202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53822633119 + ... + 53822636838.

It is an arithmetic number, because the mean of its divisors is an integer number (12056270235296).

Almost surely, 2200220202120020 is an apocalyptic number.

200220202120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200220202120020 is an abundant number, since it is smaller than the sum of its proper divisors (378480769174188).

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

200220202120020 is a wasteful number, since it uses less digits than its factorization.

200220202120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107645270000 (or 107645269998 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 200220202120020 its reverse (20021202022002), we get a palindrome (220241404142022).

The spelling of 200220202120020 in words is "two hundred trillion, two hundred twenty billion, two hundred two million, one hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 107645269957 215290539914 322935809871 430581079828 538226349785 645871619742 1076452699570 1291743239484 1614679049355 2152905399140 3229358098710 3337003368667 6458716197420 6674006737334 10011010106001 13348013474668 16685016843335 20022020212002 33370033686670 40044040424004 50055050530005 66740067373340 100110101060010 200220202120020