20022525 has 24 divisors (see below), whose sum is σ = 36783360. Its totient is φ = 10678320.

The previous prime is 20022511. The next prime is 20022529. The reversal of 20022525 is 52522002.

It is not a de Polignac number, because 20022525 - 2⁵ = 20022493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022498 and 20022507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14157 + ... + 15506.

It is an arithmetic number, because the mean of its divisors is an integer number (1532640).

Almost surely, 2^20022525 is an apocalyptic number.

20022525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20022525 is a deficient number, since it is larger than the sum of its proper divisors (16760835).

20022525 is a wasteful number, since it uses less digits than its factorization.

20022525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29682 (or 29671 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 20022525 is about 4474.6536178793. The cubic root of 20022525 is about 271.5436271884.

Adding to 20022525 its reverse (52522002), we get a palindrome (72544527).

The spelling of 20022525 in words is "twenty million, twenty-two thousand, five hundred twenty-five".