20052475 has 12 divisors (see below), whose sum is σ = 25009560. Its totient is φ = 15948800.

The previous prime is 20052463. The next prime is 20052479. The reversal of 20052475 is 57425002.

It is a de Polignac number, because none of the positive numbers 2^k-20052475 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20052479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2235 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (2084130).

Almost surely, 2^20052475 is an apocalyptic number.

20052475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20052475 is a deficient number, since it is larger than the sum of its proper divisors (4957085).

20052475 is a wasteful number, since it uses less digits than its factorization.

20052475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 20052475 is about 4477.9989950870. The cubic root of 20052475 is about 271.6789527776.

Adding to 20052475 its reverse (57425002), we get a palindrome (77477477).

The spelling of 20052475 in words is "twenty million, fifty-two thousand, four hundred seventy-five".