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20021010200210 = 254742597894043
BaseRepresentation
bin1001000110101100000010…
…01100110111011010010010
32121212222201121212021002002
410203112001030313122102
510111011012102401320
6110325305231354002
74134320203541615
oct443260114673222
977788647767062
1020021010200210
116419954347468
1222b4257982902
13b22c8605a576
144d304478817c
1524abd464a675
hex123581337692

20021010200210 has 16 divisors (see below), whose sum is σ = 36804580454016. Its totient is φ = 7838012503728.

The previous prime is 20021010200209. The next prime is 20021010200249. The reversal of 20021010200210 is 1200201012002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20021010200191 and 20021010200200.

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, 21298946552 + ... + 21298947491.

It is an arithmetic number, because the mean of its divisors is an integer number (2300286278376).

Almost surely, 220021010200210 is an apocalyptic number.

20021010200210 is a deficient number, since it is larger than the sum of its proper divisors (16783570253806).

20021010200210 is a wasteful number, since it uses less digits than its factorization.

20021010200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42597894097.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20021010200210 its reverse (1200201012002), we get a palindrome (21221211212212).

The spelling of 20021010200210 in words is "twenty trillion, twenty-one billion, ten million, two hundred thousand, two hundred ten".

Divisors: 1 2 5 10 47 94 235 470 42597894043 85195788086 212989470215 425978940430 2002101020021 4004202040042 10010505100105 20021010200210