Search a number
-
+
22232313020 = 2251111615651
BaseRepresentation
bin10100101101001001…
…100010110010111100
32010101102000112000202
4110231021202302330
5331012433004040
614114031343032
71414636354061
oct245511426274
963342015022
1022232313020
119479619915
124385681a78
132134011008
14110c974c68
158a1c1c015
hex52d262cbc

22232313020 has 12 divisors (see below), whose sum is σ = 46687857384. Its totient is φ = 8892925200.

The previous prime is 22232313001. The next prime is 22232313043. The reversal of 22232313020 is 2031323222.

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: 1111615651 = 22232313020 / (2 + 2 + 2 + 3 + 2 + 3 + 1 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22232312983 and 22232313001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555807806 + ... + 555807845.

It is an arithmetic number, because the mean of its divisors is an integer number (3890654782).

Almost surely, 222232313020 is an apocalyptic number.

22232313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232313020 is an abundant number, since it is smaller than the sum of its proper divisors (24455544364).

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

22232313020 is a wasteful number, since it uses less digits than its factorization.

22232313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111615660 (or 1111615658 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22232313020 its reverse (2031323222), we get a palindrome (24263636242).

The spelling of 22232313020 in words is "twenty-two billion, two hundred thirty-two million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 1111615651 2223231302 4446462604 5558078255 11116156510 22232313020