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1020020222020 = 22579645582419
BaseRepresentation
bin11101101011111011111…
…00010110100001000100
310121111211222000002010111
432311331330112201010
5113203000134101040
62100331341202404
7133460023555162
oct16657574264104
93544758002114
101020020222020
11363651907028
1214582a860404
1375258c03967
14375252b4232
151b7ee178dea
hexed7df16844

1020020222020 has 24 divisors (see below), whose sum is σ = 2169156931200. Its totient is φ = 402843428832.

The previous prime is 1020020221921. The next prime is 1020020222083. The reversal of 1020020222020 is 202220200201.

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, 322789630 + ... + 322792789.

It is an arithmetic number, because the mean of its divisors is an integer number (90381538800).

Almost surely, 21020020222020 is an apocalyptic number.

1020020222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020020222020 is an abundant number, since it is smaller than the sum of its proper divisors (1149136709180).

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

1020020222020 is a wasteful number, since it uses less digits than its factorization.

1020020222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645582507 (or 645582505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1020020222020 its reverse (202220200201), we get a palindrome (1222240422221).

The spelling of 1020020222020 in words is "one trillion, twenty billion, twenty million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 645582419 1291164838 2582329676 3227912095 6455824190 12911648380 51001011101 102002022202 204004044404 255005055505 510010111010 1020020222020