20061875 has 10 divisors (see below), whose sum is σ = 25070100. Its totient is φ = 16049000.

The previous prime is 20061871. The next prime is 20061883. The reversal of 20061875 is 57816002.

It is not a de Polignac number, because 20061875 - 2² = 20061871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20061871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15425 + ... + 16674.

It is an arithmetic number, because the mean of its divisors is an integer number (2507010).

Almost surely, 2^20061875 is an apocalyptic number.

20061875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20061875 is a deficient number, since it is larger than the sum of its proper divisors (5008225).

20061875 is an frugal number, since it uses more digits than its factorization.

20061875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32119 (or 32104 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 20061875 is about 4479.0484480523. The cubic root of 20061875 is about 271.7213977994.

Adding to 20061875 its reverse (57816002), we get a palindrome (77877877).

The spelling of 20061875 in words is "twenty million, sixty-one thousand, eight hundred seventy-five".