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20021022020210 = 252387047921827
BaseRepresentation
bin1001000110101100000011…
…11001111101001001110010
32121212222202110002210001212
410203112001321331021302
510111011023114121320
6110325310333000122
74134320406161351
oct443260171751162
977788673083055
1020021022020210
11641995aa8aa62
1222b425b923042
13b22c88638653
144d3046183998
1524abd56d29c5
hex123581e7d272

20021022020210 has 16 divisors (see below), whose sum is σ = 37604702229696. Its totient is φ = 7660217120688.

The previous prime is 20021022020183. The next prime is 20021022020249. The reversal of 20021022020210 is 1202022012002.

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, 43523960684 + ... + 43523961143.

It is an arithmetic number, because the mean of its divisors is an integer number (2350293889356).

Almost surely, 220021022020210 is an apocalyptic number.

20021022020210 is a deficient number, since it is larger than the sum of its proper divisors (17583680209486).

20021022020210 is a wasteful number, since it uses less digits than its factorization.

20021022020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87047921857.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021022020210 its reverse (1202022012002), we get a palindrome (21223044032212).

The spelling of 20021022020210 in words is "twenty trillion, twenty-one billion, twenty-two million, twenty thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 115 230 87047921827 174095843654 435239609135 870479218270 2002102202021 4004204404042 10010511010105 20021022020210