20050107 has 64 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 9676800.

The previous prime is 20050103. The next prime is 20050109. The reversal of 20050107 is 70105002.

It is a happy number.

It is not a de Polignac number, because 20050107 - 2² = 20050103 is a prime.

It is a super-2 number, since 2×20050107² = 804013581422898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20050103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274623 + ... + 274695.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 2^20050107 is an apocalyptic number.

20050107 is a deficient number, since it is larger than the sum of its proper divisors (15754053).

20050107 is a wasteful number, since it uses less digits than its factorization.

20050107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 20050107 is about 4477.7345834696. The cubic root of 20050107 is about 271.6682581529.

Adding to 20050107 its reverse (70105002), we get a palindrome (90155109).

The spelling of 20050107 in words is "twenty million, fifty thousand, one hundred seven".