Search a number
-
+
20300021204 = 2253599291747
BaseRepresentation
bin10010111001111110…
…011011110111010100
31221101202001220222012
4102321332123313110
5313033301134304
613154203523352
71316024222201
oct227176336724
957352056865
1020300021204
118677918431
123b26529558
131bb68b2288
14da80a2ca8
157dc28116e
hex4b9f9bdd4

20300021204 has 48 divisors (see below), whose sum is σ = 36869515200. Its totient is φ = 9773577216.

The previous prime is 20300021167. The next prime is 20300021207. The reversal of 20300021204 is 40212000302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300021207) 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, 11619059 + ... + 11620805.

It is an arithmetic number, because the mean of its divisors is an integer number (768114900).

Almost surely, 220300021204 is an apocalyptic number.

It is an amenable number.

20300021204 is a deficient number, since it is larger than the sum of its proper divisors (16569493996).

20300021204 is a wasteful number, since it uses less digits than its factorization.

20300021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20300021204 its reverse (40212000302), we get a palindrome (60512021506).

The spelling of 20300021204 in words is "twenty billion, three hundred million, twenty-one thousand, two hundred four".

Divisors: 1 2 4 53 59 106 118 212 236 929 1747 1858 3127 3494 3716 6254 6988 12508 49237 54811 92591 98474 103073 109622 185182 196948 206146 219244 370364 412292 1622963 2904983 3245926 5462869 5809966 6491852 10925738 11619932 21851476 86017039 95754817 172034078 191509634 344068156 383019268 5075005301 10150010602 20300021204