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20000210002 = 210000105001
BaseRepresentation
bin10010101000000110…
…101111110001010010
31220121211220221022121
4102220012233301102
5311430023210002
613104333524454
71305423660103
oct225006576122
956554827277
1020000210002
118533662883
123a6204372a
131b6974c3b6
14d7a33c3aa
157c0cad237
hex4a81afc52

20000210002 has 4 divisors (see below), whose sum is σ = 30000315006. Its totient is φ = 10000105000.

The previous prime is 20000209979. The next prime is 20000210003. The reversal of 20000210002 is 20001200002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18192344641 + 1807865361 = 134879^2 + 42519^2 .

It is not an unprimeable number, because it can be changed into a prime (20000210003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000052499 + ... + 5000052502.

Almost surely, 220000210002 is an apocalyptic number.

20000210002 is a deficient number, since it is larger than the sum of its proper divisors (10000105004).

20000210002 is a wasteful number, since it uses less digits than its factorization.

20000210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000105003.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20000210002 its reverse (20001200002), we get a palindrome (40001410004).

The spelling of 20000210002 in words is "twenty billion, two hundred ten thousand, two".

Divisors: 1 2 10000105001 20000210002