100020095 has 32 divisors (see below), whose sum is σ = 146821248. Its totient is φ = 63848448.

The previous prime is 100020023. The next prime is 100020103. The reversal of 100020095 is 590020001.

It is a cyclic number.

It is not a de Polignac number, because 100020095 - 2⁸ = 100019839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56849 + ... + 58581.

It is an arithmetic number, because the mean of its divisors is an integer number (4588164).

Almost surely, 2^100020095 is an apocalyptic number.

100020095 is a deficient number, since it is larger than the sum of its proper divisors (46801153).

100020095 is a wasteful number, since it uses less digits than its factorization.

100020095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 100020095 is about 10001.0046995289. The cubic root of 100020095 is about 464.1899721881.

Adding to 100020095 its reverse (590020001), we get a palindrome (690040096).

The spelling of 100020095 in words is "one hundred million, twenty thousand, ninety-five".