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BaseRepresentation
bin1011111100100…
…11110100101111
320222120201021112
411332103310233
5201124021312
613540022235
72324600123
oct576236457
9228521245
10100220207
1151631a1a
122969197b
13179bcac9
14d44b583
158be9d22
hex5f93d2f

100220207 has 8 divisors (see below), whose sum is σ = 101092992. Its totient is φ = 99351000.

The previous prime is 100220203. The next prime is 100220209. The reversal of 100220207 is 702022001.

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 100220207 - 22 = 100220203 is a prime.

It is a super-2 number, since 2×1002202072 = 20088179782245698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220191 and 100220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220203) 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, 94832 + ... + 95882.

It is an arithmetic number, because the mean of its divisors is an integer number (12636624).

Almost surely, 2100220207 is an apocalyptic number.

100220207 is a deficient number, since it is larger than the sum of its proper divisors (872785).

100220207 is a wasteful number, since it uses less digits than its factorization.

100220207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 100220207 is about 10011.0042952743. The cubic root of 100220207 is about 464.4993370333.

Adding to 100220207 its reverse (702022001), we get a palindrome (802242208).

The spelling of 100220207 in words is "one hundred million, two hundred twenty thousand, two hundred seven".