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2220420004 = 221188756893
BaseRepresentation
bin1000010001011000…
…1110101110100100
312201202010000121221
42010112032232210
514021411420004
61004155150124
7106011154465
oct20426165644
95652100557
102220420004
11a3a407460
1251b745344
13295030cba
14170c74d6c
15cee02354
hex8458eba4

2220420004 has 24 divisors (see below), whose sum is σ = 4243837248. Its totient is φ = 1008126240.

The previous prime is 2220419989. The next prime is 2220420029. The reversal of 2220420004 is 4000240222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220420004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10582 + ... + 67474.

It is an arithmetic number, because the mean of its divisors is an integer number (176826552).

Almost surely, 22220420004 is an apocalyptic number.

It is an amenable number.

2220420004 is a deficient number, since it is larger than the sum of its proper divisors (2023417244).

2220420004 is a wasteful number, since it uses less digits than its factorization.

2220420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57795 (or 57793 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2220420004 is about 47121.3327909982. The cubic root of 2220420004 is about 1304.6030126907.

Adding to 2220420004 its reverse (4000240222), we get a palindrome (6220660226).

It can be divided in two parts, 2220 and 420004, that added together give a palindrome (422224).

The spelling of 2220420004 in words is "two billion, two hundred twenty million, four hundred twenty thousand, four".

Divisors: 1 2 4 11 22 44 887 1774 3548 9757 19514 39028 56893 113786 227572 625823 1251646 2503292 50464091 100928182 201856364 555105001 1110210002 2220420004