20055125 has 8 divisors (see below), whose sum is σ = 25028952. Its totient is φ = 16044000.

The previous prime is 20055097. The next prime is 20055131. The reversal of 20055125 is 52155002.

It can be written as a sum of positive squares in 4 ways, for example, as 323761 + 19731364 = 569^2 + 4442^2 .

It is not a de Polignac number, because 20055125 - 2⁸ = 20054869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20055097 and 20055106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80096 + ... + 80345.

It is an arithmetic number, because the mean of its divisors is an integer number (3128619).

Almost surely, 2^20055125 is an apocalyptic number.

20055125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20055125 is a deficient number, since it is larger than the sum of its proper divisors (4973827).

20055125 is an equidigital number, since it uses as much as digits as its factorization.

20055125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160456 (or 160446 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 20055125 is about 4478.2948764011. The cubic root of 20055125 is about 271.6909200038.

The spelling of 20055125 in words is "twenty million, fifty-five thousand, one hundred twenty-five".