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20002002204 = 2235331449689
BaseRepresentation
bin10010101000001101…
…100101010100011100
31220121222021222202110
4102220031211110130
5311431003032304
613104440154020
71305445133142
oct225015452434
956558258673
1020002002204
118534677338
123a62768910
131b69c29082
14d7a687592
157c1014289
hex4a836551c

20002002204 has 24 divisors (see below), whose sum is σ = 47551931280. Its totient is φ = 6541535104.

The previous prime is 20002002203. The next prime is 20002002253. The reversal of 20002002204 is 40220020002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20002002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002002203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15724209 + ... + 15725480.

It is an arithmetic number, because the mean of its divisors is an integer number (1981330470).

Almost surely, 220002002204 is an apocalyptic number.

It is an amenable number.

20002002204 is an abundant number, since it is smaller than the sum of its proper divisors (27549929076).

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

20002002204 is a wasteful number, since it uses less digits than its factorization.

20002002204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31449749 (or 31449747 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20002002204 its reverse (40220020002), we get a palindrome (60222022206).

The spelling of 20002002204 in words is "twenty billion, two million, two thousand, two hundred four".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 31449689 62899378 94349067 125798756 188698134 377396268 1666833517 3333667034 5000500551 6667334068 10001001102 20002002204