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20302102223012 = 22171990291740359
BaseRepresentation
bin1001001110110111100111…
…00101110101100010100100
32122212212021102002112020102
410213123303211311202210
510130112201132114022
6111102353525123232
74163531006400311
oct447336345654244
978785242075212
1020302102223012
116518089480625
12233a824b59518
13b436317cb28c
145028ac667d08
15253186d9aa92
hex1276f39758a4

20302102223012 has 48 divisors (see below), whose sum is σ = 39602936016000. Its totient is φ = 9050084365824.

The previous prime is 20302102222957. The next prime is 20302102223057. The reversal of 20302102223012 is 21032220120302.

It is a happy 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, 10795289 + ... + 12535647.

It is an arithmetic number, because the mean of its divisors is an integer number (825061167000).

Almost surely, 220302102223012 is an apocalyptic number.

It is an amenable number.

20302102223012 is a deficient number, since it is larger than the sum of its proper divisors (19300833792988).

20302102223012 is a wasteful number, since it uses less digits than its factorization.

20302102223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749428 (or 1749426 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20302102223012 its reverse (21032220120302), we get a palindrome (41334322343314).

The spelling of 20302102223012 in words is "twenty trillion, three hundred two billion, one hundred two million, two hundred twenty-three thousand, twelve".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 9029 18058 36116 153493 171551 306986 343102 613972 686204 1740359 2916367 3480718 5832734 6961436 11665468 29586103 33066821 59172206 66133642 118344412 132267284 562135957 1124271914 2248543828 15713701411 31427402822 62854805644 267132923987 298560326809 534265847974 597120653618 1068531695948 1194241307236 5075525555753 10151051111506 20302102223012