Base | Representation |
---|---|
bin | 10010101001010110… |
… | …110110101110010010 |
3 | 1220200022102211220101 |
4 | 102221112312232102 |
5 | 312000412210002 |
6 | 13110404003014 |
7 | 1306100322433 |
oct | 225126665622 |
9 | 56608384811 |
10 | 20021210002 |
11 | 85444a6452 |
12 | 3a6909046a |
13 | 1b70bc2a31 |
14 | d7d04748a |
15 | 7c2a5a587 |
hex | 4a95b6b92 |
20021210002 has 16 divisors (see below), whose sum is σ = 30713097600. Its totient is φ = 9786020400.
The previous prime is 20021209969. The next prime is 20021210057. The reversal of 20021210002 is 20001212002.
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, 611352 + ... + 643267.
It is an arithmetic number, because the mean of its divisors is an integer number (1919568600).
Almost surely, 220021210002 is an apocalyptic number.
20021210002 is a deficient number, since it is larger than the sum of its proper divisors (10691887598).
20021210002 is a wasteful number, since it uses less digits than its factorization.
20021210002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1254801.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20021210002 its reverse (20001212002), we get a palindrome (40022422004).
The spelling of 20021210002 in words is "twenty billion, twenty-one million, two hundred ten thousand, two".
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