Search a number
-
+
22200002420 = 22519193330223
BaseRepresentation
bin10100101011001110…
…010010011101110100
32010022011012222012212
4110223032102131310
5330431200034140
614110515032552
71414064623061
oct245316223564
963264188185
1022200002420
119462360442
12437689b758
13212a40a40b
141108563c68
1589de88765
hex52b392774

22200002420 has 48 divisors (see below), whose sum is σ = 49100701440. Its totient is φ = 8408002176.

The previous prime is 22200002413. The next prime is 22200002443. The reversal of 22200002420 is 2420000222.

It is a junction number, because it is equal to n+sod(n) for n = 22200002395 and 22200002404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719429 + ... + 749651.

It is an arithmetic number, because the mean of its divisors is an integer number (1022931280).

Almost surely, 222200002420 is an apocalyptic number.

22200002420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200002420 is an abundant number, since it is smaller than the sum of its proper divisors (26900699020).

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

22200002420 is a wasteful number, since it uses less digits than its factorization.

22200002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32184 (or 32182 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22200002420 its reverse (2420000222), we get a palindrome (24620002642).

The spelling of 22200002420 in words is "twenty-two billion, two hundred million, two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1933 3866 7732 9665 19330 30223 36727 38660 60446 73454 120892 146908 151115 183635 302230 367270 574237 604460 734540 1148474 2296948 2871185 5742370 11484740 58421059 116842118 233684236 292105295 584210590 1110000121 1168421180 2220000242 4440000484 5550000605 11100001210 22200002420