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24420440020 = 2253839913217
BaseRepresentation
bin10110101111100100…
…100101011111010100
32100000220100212222111
4112233210211133110
5400003113040040
615115114440404
71523106213064
oct265744453724
970026325874
1024420440020
11a3a177a039
124896433104
1323c2446412
1412794013a4
1597dd90dea
hex5af9257d4

24420440020 has 48 divisors (see below), whose sum is σ = 51484704768. Its totient is φ = 9729815040.

The previous prime is 24420439997. The next prime is 24420440029. The reversal of 24420440020 is 2004402442.

It is a junction number, because it is equal to n+sod(n) for n = 24420439973 and 24420440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24420440029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7589452 + ... + 7592668.

It is an arithmetic number, because the mean of its divisors is an integer number (1072598016).

Almost surely, 224420440020 is an apocalyptic number.

24420440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24420440020 is an abundant number, since it is smaller than the sum of its proper divisors (27064264748).

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

24420440020 is a wasteful number, since it uses less digits than its factorization.

24420440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600 (or 4598 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 24420440020 its reverse (2004402442), we get a palindrome (26424842462).

The spelling of 24420440020 in words is "twenty-four billion, four hundred twenty million, four hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 383 766 991 1532 1915 1982 3217 3830 3964 4955 6434 7660 9910 12868 16085 19820 32170 64340 379553 759106 1232111 1518212 1897765 2464222 3188047 3795530 4928444 6160555 6376094 7591060 12321110 12752188 15940235 24642220 31880470 63760940 1221022001 2442044002 4884088004 6105110005 12210220010 24420440020