Base | Representation |
---|---|
bin | 10010110101010101… |
… | …111111101001101100 |
3 | 1221012022211211122020 |
4 | 102311111333221230 |
5 | 312403402423040 |
6 | 13142350150140 |
7 | 1314061543662 |
oct | 226525775154 |
9 | 57168754566 |
10 | 20222311020 |
11 | 8637a7063a |
12 | 3b044b2350 |
13 | 1ba3774212 |
14 | d9ba34c32 |
15 | 7d5530cd0 |
hex | 4b557fa6c |
20222311020 has 48 divisors (see below), whose sum is σ = 56859425280. Its totient is φ = 5370049216.
The previous prime is 20222311009. The next prime is 20222311037. The reversal of 20222311020 is 2011322202.
It is a happy number.
It is a super-2 number, since 2×202223110202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690762 + ... + 719441.
It is an arithmetic number, because the mean of its divisors is an integer number (1184571360).
Almost surely, 220222311020 is an apocalyptic number.
20222311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20222311020 is an abundant number, since it is smaller than the sum of its proper divisors (36637114260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20222311020 is a wasteful number, since it uses less digits than its factorization.
20222311020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1410454 (or 1410452 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20222311020 its reverse (2011322202), we get a palindrome (22233633222).
The spelling of 20222311020 in words is "twenty billion, two hundred twenty-two million, three hundred eleven thousand, twenty".
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