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20102002220101 = 439181729251971
BaseRepresentation
bin1001001001000010111001…
…01100111001110001000101
32122011201210002122011112111
410210201130230321301011
510113322400032020401
6110430422103421021
74143215232416524
oct444413454716105
978151702564474
1020102002220101
11645023621679a
122307a9ba54771
13b2a7c28671a9
144d6d291944bb
1524cd74c70e51
hex12485cb39c45

20102002220101 has 8 divisors (see below), whose sum is σ = 20147983486400. Its totient is φ = 20056021822080.

The previous prime is 20102002220081. The next prime is 20102002220119. The reversal of 20102002220101 is 10102220020102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20102002220101 - 233 = 20093412285509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102002220801) 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, 79653046 + ... + 79905016.

It is an arithmetic number, because the mean of its divisors is an integer number (2518497935800).

Almost surely, 220102002220101 is an apocalyptic number.

It is an amenable number.

20102002220101 is a deficient number, since it is larger than the sum of its proper divisors (45981266299).

20102002220101 is a wasteful number, since it uses less digits than its factorization.

20102002220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434139.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102002220101 its reverse (10102220020102), we get a palindrome (30204222240203).

The spelling of 20102002220101 in words is "twenty trillion, one hundred two billion, two million, two hundred twenty thousand, one hundred one".

Divisors: 1 439 181729 251971 79779031 110615269 45790437859 20102002220101