20410425 has 36 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 9329760.

The previous prime is 20410409. The next prime is 20410433. The reversal of 20410425 is 52401402.

It is not a de Polignac number, because 20410425 - 2⁴ = 20410409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20410398 and 20410407.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 4905 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (1160640).

Almost surely, 2^20410425 is an apocalyptic number.

20410425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20410425 is an abundant number, since it is smaller than the sum of its proper divisors (21372615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20410425 is a wasteful number, since it uses less digits than its factorization.

20410425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12982 (or 12974 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20410425 is about 4517.7898357493. The cubic root of 20410425 is about 273.2859781469.

Adding to 20410425 its reverse (52401402), we get a palindrome (72811827).

The spelling of 20410425 in words is "twenty million, four hundred ten thousand, four hundred twenty-five".