20204107 has 8 divisors (see below), whose sum is σ = 25189632. Its totient is φ = 15743400.

The previous prime is 20204101. The next prime is 20204113. The reversal of 20204107 is 70140202.

It is an interprime number because it is at equal distance from previous prime (20204101) and next prime (20204113).

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 20204107 - 2¹⁵ = 20171339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20204101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131119 + ... + 131272.

It is an arithmetic number, because the mean of its divisors is an integer number (3148704).

Almost surely, 2^20204107 is an apocalyptic number.

20204107 is a deficient number, since it is larger than the sum of its proper divisors (4985525).

20204107 is a wasteful number, since it uses less digits than its factorization.

20204107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262409.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20204107 is about 4494.8978853807. The cubic root of 20204107 is about 272.3620242499.

Adding to 20204107 its reverse (70140202), we get a palindrome (90344309).

The spelling of 20204107 in words is "twenty million, two hundred four thousand, one hundred seven".