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22230234020 = 2251111511701
BaseRepresentation
bin10100101101000001…
…100111001110100100
32010101021002220011202
4110231001213032210
5331011414442040
614113515022032
71414612604621
oct245501471644
963337086152
1022230234020
119478429935
124384a3a918
132133763937
14110c593348
158a195b015
hex52d0673a4

22230234020 has 12 divisors (see below), whose sum is σ = 46683491484. Its totient is φ = 8892093600.

The previous prime is 22230234001. The next prime is 22230234083. The reversal of 22230234020 is 2043203222.

It can be written as a sum of positive squares in 2 ways, for example, as 3112747264 + 19117486756 = 55792^2 + 138266^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1111511701 = 22230234020 / (2 + 2 + 2 + 3 + 0 + 2 + 3 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22230233983 and 22230234001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555755831 + ... + 555755870.

It is an arithmetic number, because the mean of its divisors is an integer number (3890290957).

Almost surely, 222230234020 is an apocalyptic number.

22230234020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22230234020 is an abundant number, since it is smaller than the sum of its proper divisors (24453257464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22230234020 is a wasteful number, since it uses less digits than its factorization.

22230234020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111511710 (or 1111511708 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22230234020 its reverse (2043203222), we get a palindrome (24273437242).

The spelling of 22230234020 in words is "twenty-two billion, two hundred thirty million, two hundred thirty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 1111511701 2223023402 4446046804 5557558505 11115117010 22230234020