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2002020102 = 232111223339
BaseRepresentation
bin111011101010100…
…0110011100000110
312011112011011021200
41313111012130012
513100004120402
6530354123330
7100416614205
oct16725063406
95145134250
102002020102
119380a7375
1247a580546
1325ba039a4
1414dc6323c
15bab6121c
hex77546706

2002020102 has 12 divisors (see below), whose sum is σ = 4337710260. Its totient is φ = 667340028.

The previous prime is 2002020091. The next prime is 2002020103. The reversal of 2002020102 is 2010202002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002020103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55611652 + ... + 55611687.

It is an arithmetic number, because the mean of its divisors is an integer number (361475855).

Almost surely, 22002020102 is an apocalyptic number.

2002020102 is an abundant number, since it is smaller than the sum of its proper divisors (2335690158).

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

2002020102 is a wasteful number, since it uses less digits than its factorization.

2002020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111223347 (or 111223344 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2002020102 is about 44743.9392767333. The cubic root of 2002020102 is about 1260.3451019943.

Adding to 2002020102 its reverse (2010202002), we get a palindrome (4012222104).

The spelling of 2002020102 in words is "two billion, two million, twenty thousand, one hundred two".

Divisors: 1 2 3 6 9 18 111223339 222446678 333670017 667340034 1001010051 2002020102