20080625 has 30 divisors (see below), whose sum is σ = 26780490. Its totient is φ = 15048000.

The previous prime is 20080589. The next prime is 20080661. The reversal of 20080625 is 52608002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20080589) and next prime (20080661).

It can be written as a sum of positive squares in 5 ways, for example, as 11182336 + 8898289 = 3344^2 + 2983^2 .

It is not a de Polignac number, because 20080625 - 2¹⁴ = 20064241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20080625.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 225581 + ... + 225669.

It is an arithmetic number, because the mean of its divisors is an integer number (892683).

Almost surely, 2^20080625 is an apocalyptic number.

20080625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20080625 is a deficient number, since it is larger than the sum of its proper divisors (6699865).

20080625 is an frugal number, since it uses more digits than its factorization.

20080625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20080625 is about 4481.1410377269. The cubic root of 20080625 is about 271.8060224888.

Adding to 20080625 its reverse (52608002), we get a palindrome (72688627).

The spelling of 20080625 in words is "twenty million, eighty thousand, six hundred twenty-five".