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220220021000212 = 2261902541069673
BaseRepresentation
bin110010000100100111111000…
…000111111100100000010100
31001212201211100220102102211221
4302010213320013330200110
5212331041100334001322
62100211403033140124
764246241262103432
oct6204477007744024
91055654326372757
10220220021000212
1164194871804352
122084814755a644
1395b587471016c
143c549c4d53d52
151a6d664db29c7
hexc849f81fc814

220220021000212 has 12 divisors (see below), whose sum is σ = 391702824238516. Its totient is φ = 108304928360640.

The previous prime is 220220021000183. The next prime is 220220021000219. The reversal of 220220021000212 is 212000120022022.

It can be written as a sum of positive squares in 2 ways, for example, as 127660305326596 + 92559715673616 = 11298686^2 + 9620796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220021000219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451270534593 + ... + 451270535080.

Almost surely, 2220220021000212 is an apocalyptic number.

It is an amenable number.

220220021000212 is a deficient number, since it is larger than the sum of its proper divisors (171482803238304).

220220021000212 is a wasteful number, since it uses less digits than its factorization.

220220021000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902541069738 (or 902541069736 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220220021000212 its reverse (212000120022022), we get a palindrome (432220141022234).

The spelling of 220220021000212 in words is "two hundred twenty trillion, two hundred twenty billion, twenty-one million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 61 122 244 902541069673 1805082139346 3610164278692 55055005250053 110110010500106 220220021000212