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20202101210210 = 252020210121021
BaseRepresentation
bin1001001011111101010110…
…00100001111110001100010
32122112022011011112201200112
410211332223010033301202
510121442400402211320
6110544414524251322
74153360620663113
oct445765304176142
978468134481615
1020202101210210
1164897325135a7
1223233769a0b42
13b37085a2585a
144dbb0342220a
15250782a10ec5
hex125fab10fc62

20202101210210 has 8 divisors (see below), whose sum is σ = 36363782178396. Its totient is φ = 8080840484080.

The previous prime is 20202101210209. The next prime is 20202101210261. The reversal of 20202101210210 is 1201210120202.

It can be written as a sum of positive squares in 2 ways, for example, as 19790246596129 + 411854614081 = 4448623^2 + 641759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010105060501 + ... + 1010105060520.

Almost surely, 220202101210210 is an apocalyptic number.

20202101210210 is a deficient number, since it is larger than the sum of its proper divisors (16161680968186).

20202101210210 is a wasteful number, since it uses less digits than its factorization.

20202101210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020210121028.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202101210210 its reverse (1201210120202), we get a palindrome (21403311330412).

The spelling of 20202101210210 in words is "twenty trillion, two hundred two billion, one hundred one million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 2020210121021 4040420242042 10101050605105 20202101210210