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20310310204 = 2228118069671
BaseRepresentation
bin10010111010100101…
…101011110100111100
31221102110102122211021
4102322211223310330
5313043414411304
613155212233524
71316210534242
oct227245536474
957373378737
1020310310204
118682705738
123b29a6b8a4
131bb8a75542
14da95c0792
157dd114a54
hex4ba96bd3c

20310310204 has 12 divisors (see below), whose sum is σ = 35669532528. Its totient is φ = 10119015200.

The previous prime is 20310310169. The next prime is 20310310217. The reversal of 20310310204 is 40201301302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9033712 + ... + 9035959.

It is an arithmetic number, because the mean of its divisors is an integer number (2972461044).

Almost surely, 220310310204 is an apocalyptic number.

It is an amenable number.

20310310204 is a deficient number, since it is larger than the sum of its proper divisors (15359222324).

20310310204 is a wasteful number, since it uses less digits than its factorization.

20310310204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18069956 (or 18069954 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20310310204 its reverse (40201301302), we get a palindrome (60511611506).

The spelling of 20310310204 in words is "twenty billion, three hundred ten million, three hundred ten thousand, two hundred four".

Divisors: 1 2 4 281 562 1124 18069671 36139342 72278684 5077577551 10155155102 20310310204