Base | Representation |
---|---|
bin | 10010110101011110… |
… | …000000100101110100 |
3 | 1221012110210120200001 |
4 | 102311132000211310 |
5 | 312404422141040 |
6 | 13142503201044 |
7 | 1314115444231 |
oct | 226536004564 |
9 | 57173716601 |
10 | 20224412020 |
11 | 86391760aa |
12 | 3b05146184 |
13 | 1ba402b607 |
14 | d9c020788 |
15 | 7d57e859a |
hex | 4b5780974 |
20224412020 has 24 divisors (see below), whose sum is σ = 43053066504. Its totient is φ = 7978945536.
The previous prime is 20224412011. The next prime is 20224412029. The reversal of 20224412020 is 2021442202.
It is an interprime number because it is at equal distance from previous prime (20224412011) and next prime (20224412029).
It can be written as a sum of positive squares in 4 ways, for example, as 8238103696 + 11986308324 = 90764^2 + 109482^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20224412029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6924709 + ... + 6927628.
It is an arithmetic number, because the mean of its divisors is an integer number (1793877771).
Almost surely, 220224412020 is an apocalyptic number.
20224412020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20224412020 is an abundant number, since it is smaller than the sum of its proper divisors (22828654484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20224412020 is a wasteful number, since it uses less digits than its factorization.
20224412020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13852419 (or 13852417 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 19.
Adding to 20224412020 its reverse (2021442202), we get a palindrome (22245854222).
The spelling of 20224412020 in words is "twenty billion, two hundred twenty-four million, four hundred twelve thousand, twenty".
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