20625050 has 24 divisors (see below), whose sum is σ = 39302172. Its totient is φ = 8048000.

The previous prime is 20625049. The next prime is 20625067. The reversal of 20625050 is 5052602.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3094081 + 17530969 = 1759^2 + 4187^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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, 2981 + ... + 7080.

Almost surely, 2^20625050 is an apocalyptic number.

20625050 is a deficient number, since it is larger than the sum of its proper divisors (18677122).

20625050 is a wasteful number, since it uses less digits than its factorization.

20625050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114 (or 10109 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20625050 is about 4541.4810359617. The cubic root of 20625050 is about 274.2405492298.

Adding to 20625050 its reverse (5052602), we get a palindrome (25677652).

The spelling of 20625050 in words is "twenty million, six hundred twenty-five thousand, fifty".