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200020202111 = 794925162939
BaseRepresentation
bin1011101001001000100…
…0100001001001111111
3201010021202022001120202
42322102020201021333
511234120132431421
6231515451034115
720310454444202
oct2722210411177
9633252261522
10200020202111
117791220a364
123292243b93b
1315b285735a2
149976a5d939
15530a11510b
hex2e9222127f

200020202111 has 4 divisors (see below), whose sum is σ = 200045373000. Its totient is φ = 199995031224.

The previous prime is 200020202023. The next prime is 200020202113. The reversal of 200020202111 is 111202020002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200020202111 - 214 = 200020185727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200020202092 and 200020202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020202113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12573521 + ... + 12589418.

It is an arithmetic number, because the mean of its divisors is an integer number (50011343250).

Almost surely, 2200020202111 is an apocalyptic number.

200020202111 is a deficient number, since it is larger than the sum of its proper divisors (25170889).

200020202111 is an equidigital number, since it uses as much as digits as its factorization.

200020202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25170888.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200020202111 its reverse (111202020002), we get a palindrome (311222222113).

The spelling of 200020202111 in words is "two hundred billion, twenty million, two hundred two thousand, one hundred eleven".

Divisors: 1 7949 25162939 200020202111