20126625 has 32 divisors (see below), whose sum is σ = 33785856. Its totient is φ = 10640000.

The previous prime is 20126597. The next prime is 20126663. The reversal of 20126625 is 52662102.

It is not a de Polignac number, because 20126625 - 2⁷ = 20126497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20126595 and 20126604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71485 + ... + 71765.

It is an arithmetic number, because the mean of its divisors is an integer number (1055808).

Almost surely, 2^20126625 is an apocalyptic number.

20126625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20126625 is a deficient number, since it is larger than the sum of its proper divisors (13659231).

20126625 is a wasteful number, since it uses less digits than its factorization.

20126625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20126625 is about 4486.2707229948. The cubic root of 20126625 is about 272.0134121486.

Adding to 20126625 its reverse (52662102), we get a palindrome (72788727).

The spelling of 20126625 in words is "twenty million, one hundred twenty-six thousand, six hundred twenty-five".