20070625 has 20 divisors (see below), whose sum is σ = 26569620. Its totient is φ = 15104000.

The previous prime is 20070601. The next prime is 20070691. The reversal of 20070625 is 52607002.

It can be written as a sum of positive squares in 10 ways, for example, as 12909649 + 7160976 = 3593^2 + 2676^2 .

It is not a de Polignac number, because 20070625 - 2¹³ = 20062433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20070596 and 20070605.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9681 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (1328481).

Almost surely, 2^20070625 is an apocalyptic number.

20070625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20070625 is a deficient number, since it is larger than the sum of its proper divisors (6498995).

20070625 is an equidigital number, since it uses as much as digits as its factorization.

20070625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20070625 is about 4480.0251115368. The cubic root of 20070625 is about 271.7608958798.

Adding to 20070625 its reverse (52607002), we get a palindrome (72677627).

The spelling of 20070625 in words is "twenty million, seventy thousand, six hundred twenty-five".