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32223431020 = 22511236368267
BaseRepresentation
bin11110000000101010…
…101000100101101100
310002011201001220100011
4132000222220211230
51011443144243040
622445255543004
72220345434014
oct360052504554
9102151056304
1032223431020
1112736317730
1262b368aa64
133066c0b761
1417b9864c44
15c88e233ea
hex780aa896c

32223431020 has 48 divisors (see below), whose sum is σ = 77030569728. Its totient is φ = 11208148160.

The previous prime is 32223430991. The next prime is 32223431021. The reversal of 32223431020 is 2013432223.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 32223430982 and 32223431000.

It is not an unprimeable number, because it can be changed into a prime (32223431021) 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, 3179074 + ... + 3189193.

It is an arithmetic number, because the mean of its divisors is an integer number (1604803536).

Almost surely, 232223431020 is an apocalyptic number.

It is an amenable number.

32223431020 is an abundant number, since it is smaller than the sum of its proper divisors (44807138708).

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

32223431020 is a wasteful number, since it uses less digits than its factorization.

32223431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368310 (or 6368308 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32223431020 its reverse (2013432223), we get a palindrome (34236863243).

The spelling of 32223431020 in words is "thirty-two billion, two hundred twenty-three million, four hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 5060 6368267 12736534 25473068 31841335 63682670 70050937 127365340 140101874 146470141 280203748 292940282 350254685 585880564 700509370 732350705 1401018740 1464701410 1611171551 2929402820 3222343102 6444686204 8055857755 16111715510 32223431020