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220220021012022 = 23212234445611779
BaseRepresentation
bin110010000100100111111000…
…000111111111011000110110
31001212201211100220110001001100
4302010213320013333120312
5212331041100334341042
62100211403033310530
764246241262153033
oct6204477007773066
91055654326401040
10220220021012022
1164194871812209
1220848147565446
1395b5874715655
143c549c4d5838a
151a6d664db624c
hexc849f81ff636

220220021012022 has 12 divisors (see below), whose sum is σ = 477143378859420. Its totient is φ = 73406673670668.

The previous prime is 220220021011999. The next prime is 220220021012059. The reversal of 220220021012022 is 220210120022022.

220220021012022 is a `hidden beast` number, since 220 + 2 + 200 + 210 + 12 + 0 + 22 = 666.

It is a super-2 number, since 2×2202200210120222 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12234445611779 = 220220021012022 / (2 + 2 + 0 + 2 + 2 + 0 + 0 + 2 + 1 + 0 + 1 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 220220021011986 and 220220021012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6117222805872 + ... + 6117222805907.

It is an arithmetic number, because the mean of its divisors is an integer number (39761948238285).

Almost surely, 2220220021012022 is an apocalyptic number.

220220021012022 is an abundant number, since it is smaller than the sum of its proper divisors (256923357847398).

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

220220021012022 is a wasteful number, since it uses less digits than its factorization.

220220021012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234445611787 (or 12234445611784 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220220021012022 its reverse (220210120022022), we get a palindrome (440430141034044).

The spelling of 220220021012022 in words is "two hundred twenty trillion, two hundred twenty billion, twenty-one million, twelve thousand, twenty-two".

Divisors: 1 2 3 6 9 18 12234445611779 24468891223558 36703336835337 73406673670674 110110010506011 220220021012022