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20102020120211 = 151505926314679
BaseRepresentation
bin1001001001000010111011…
…10001001011111010010011
32122011201211100022120212112
410210201131301023322103
510113322414122321321
6110430423543215535
74143215540521451
oct444413561137223
978151740276775
1020102020120211
116450245332377
122307aa5a475ab
13b2a7c6493883
144d6d2b6d39d1
1524cd76609a5b
hex12485dc4be93

20102020120211 has 8 divisors (see below), whose sum is σ = 20239146681600. Its totient is φ = 19964946198600.

The previous prime is 20102020120187. The next prime is 20102020120213. The reversal of 20102020120211 is 11202102020102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20102020120211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102020120213) 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, 12393431 + ... + 13921248.

It is an arithmetic number, because the mean of its divisors is an integer number (2529893335200).

Almost surely, 220102020120211 is an apocalyptic number.

20102020120211 is a deficient number, since it is larger than the sum of its proper divisors (137126561389).

20102020120211 is a wasteful number, since it uses less digits than its factorization.

20102020120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26319889.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102020120211 its reverse (11202102020102), we get a palindrome (31304122140313).

The spelling of 20102020120211 in words is "twenty trillion, one hundred two billion, twenty million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 151 5059 763909 26314679 3973516529 133125961061 20102020120211