20562625 has 16 divisors (see below), whose sum is σ = 25833600. Its totient is φ = 16340400.

The previous prime is 20562623. The next prime is 20562631. The reversal of 20562625 is 52626502.

It is not a de Polignac number, because 20562625 - 2¹ = 20562623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20562593 and 20562602.

It is not an unprimeable number, because it can be changed into a prime (20562623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21916 + ... + 22834.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^20562625 is an apocalyptic number.

20562625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20562625 is a deficient number, since it is larger than the sum of its proper divisors (5270975).

20562625 is an equidigital number, since it uses as much as digits as its factorization.

20562625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 20562625 is about 4534.6030697295. The cubic root of 20562625 is about 273.9635920510.

The spelling of 20562625 in words is "twenty million, five hundred sixty-two thousand, six hundred twenty-five".