Base | Representation |
---|---|
bin | 10011000000000011… |
… | …100001111111001101 |
3 | 1221122212000000102112 |
4 | 103000003201333031 |
5 | 313240404122201 |
6 | 13212250033405 |
7 | 1321403211515 |
oct | 230003417715 |
9 | 57585000375 |
10 | 20402020301 |
11 | 871a454903 |
12 | 3b54718865 |
13 | 1c01a75980 |
14 | db7854845 |
15 | 7e61cd0bb |
hex | 4c00e1fcd |
20402020301 has 32 divisors (see below), whose sum is σ = 22529864448. Its totient is φ = 18361958400.
The previous prime is 20402020271. The next prime is 20402020337. The reversal of 20402020301 is 10302020402.
It is a cyclic number.
It is not a de Polignac number, because 20402020301 - 230 = 19328278477 is a prime.
It is a super-2 number, since 2×204020203012 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20402020361) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34756130 + ... + 34756716.
It is an arithmetic number, because the mean of its divisors is an integer number (704058264).
Almost surely, 220402020301 is an apocalyptic number.
It is an amenable number.
20402020301 is a deficient number, since it is larger than the sum of its proper divisors (2127844147).
20402020301 is a wasteful number, since it uses less digits than its factorization.
20402020301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1061.
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20402020301 its reverse (10302020402), we get a palindrome (30704040703).
The spelling of 20402020301 in words is "twenty billion, four hundred two million, twenty thousand, three hundred one".
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