20125106 has 8 divisors (see below), whose sum is σ = 30464940. Its totient is φ = 9970128.

The previous prime is 20125103. The next prime is 20125109. The reversal of 20125106 is 60152102.

It is an interprime number because it is at equal distance from previous prime (20125103) and next prime (20125109).

It can be written as a sum of positive squares in 2 ways, for example, as 18190225 + 1934881 = 4265^2 + 1391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20125106² = 810039783022472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20125103) 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, 45941 + ... + 46376.

Almost surely, 2^20125106 is an apocalyptic number.

20125106 is a deficient number, since it is larger than the sum of its proper divisors (10339834).

20125106 is a wasteful number, since it uses less digits than its factorization.

20125106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92428.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20125106 is about 4486.1014255141. The cubic root of 20125106 is about 272.0065688293.

Adding to 20125106 its reverse (60152102), we get a palindrome (80277208).

The spelling of 20125106 in words is "twenty million, one hundred twenty-five thousand, one hundred six".