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220220201021012 = 22257214221985429
BaseRepresentation
bin110010000100101000000010…
…110110101010111001010100
31001212201211211110011102221222
4302010220002312222321110
5212331041432430133022
62100211432543425512
764246245606206423
oct6204500266527124
91055654743142858
10220220201021012
1164194954390675
12208481978b5298
1395b58a2ac064a
143c54a00c152ba
151a6d675ac2242
hexc84a02daae54

220220201021012 has 12 divisors (see below), whose sum is σ = 386884905686580. Its totient is φ = 109681656539136.

The previous prime is 220220201020999. The next prime is 220220201021077. The reversal of 220220201021012 is 210120102022022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 207656054396176 + 12564146624836 = 14410276^2 + 3544594^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107110991687 + ... + 107110993742.

It is an arithmetic number, because the mean of its divisors is an integer number (32240408807215).

Almost surely, 2220220201021012 is an apocalyptic number.

It is an amenable number.

220220201021012 is a deficient number, since it is larger than the sum of its proper divisors (166664704665568).

220220201021012 is a wasteful number, since it uses less digits than its factorization.

220220201021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214221985690 (or 214221985688 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220220201021012 its reverse (210120102022022), we get a palindrome (430340303043034).

The spelling of 220220201021012 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred one million, twenty-one thousand, twelve".

Divisors: 1 2 4 257 514 1028 214221985429 428443970858 856887941716 55055050255253 110110100510506 220220201021012