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20670952063848 = 23337197311798327
BaseRepresentation
bin1001011001100110101001…
…10000010100001101101000
32201012010100012010212002120
410230303110300110031220
510202133102212020343
6111544034305231240
74232266314326622
oct454632460241550
981163305125076
1020670952063848
11664a557605329
12239a204032520
13b6c3546b0b78
1451669d747c12
1525ca73bc7683
hex12ccd4c14368

20670952063848 has 64 divisors (see below), whose sum is σ = 53100970796160. Its totient is φ = 6700694075136.

The previous prime is 20670952063847. The next prime is 20670952063859. The reversal of 20670952063848 is 84836025907602.

It is a junction number, because it is equal to n+sod(n) for n = 20670952063791 and 20670952063800.

It is not an unprimeable number, because it can be changed into a prime (20670952063847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4147140 + ... + 7651187.

It is an arithmetic number, because the mean of its divisors is an integer number (829702668690).

Almost surely, 220670952063848 is an apocalyptic number.

It is an amenable number.

20670952063848 is an abundant number, since it is smaller than the sum of its proper divisors (32430018732312).

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

20670952063848 is a wasteful number, since it uses less digits than its factorization.

20670952063848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11800346 (or 11800342 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 20670952063848 in words is "twenty trillion, six hundred seventy billion, nine hundred fifty-two million, sixty-three thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 1973 3946 5919 7892 11838 15784 23676 47352 73001 146002 219003 292004 438006 584008 876012 1752024 11798327 23596654 35394981 47193308 70789962 94386616 141579924 283159848 436538099 873076198 1309614297 1746152396 2619228594 3492304792 5238457188 10476914376 23278099171 46556198342 69834297513 93112396684 139668595026 186224793368 279337190052 558674380104 861289669327 1722579338654 2583869007981 3445158677308 5167738015962 6890317354616 10335476031924 20670952063848