20162425 has 12 divisors (see below), whose sum is σ = 26472636. Its totient is φ = 15180800.

The previous prime is 20162413. The next prime is 20162437. The reversal of 20162425 is 52426102.

It is an interprime number because it is at equal distance from previous prime (20162413) and next prime (20162437).

It can be written as a sum of positive squares in 6 ways, for example, as 56169 + 20106256 = 237^2 + 4484^2 .

It is not a de Polignac number, because 20162425 - 2⁷ = 20162297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20162396 and 20162405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23296 + ... + 24145.

It is an arithmetic number, because the mean of its divisors is an integer number (2206053).

Almost surely, 2^20162425 is an apocalyptic number.

20162425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20162425 is a deficient number, since it is larger than the sum of its proper divisors (6310211).

20162425 is a wasteful number, since it uses less digits than its factorization.

20162425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47468 (or 47463 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20162425 is about 4490.2589012216. The cubic root of 20162425 is about 272.1745968484.

Adding to 20162425 its reverse (52426102), we get a palindrome (72588527).

It can be divided in two parts, 201 and 62425, that added together give a palindrome (62626).

The spelling of 20162425 in words is "twenty million, one hundred sixty-two thousand, four hundred twenty-five".