20025242025 has 12 divisors (see below), whose sum is σ = 33108400272. Its totient is φ = 10680129040.

The previous prime is 20025241993. The next prime is 20025242057. The reversal of 20025242025 is 52024252002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20025241993) and next prime (20025242057).

It is not a de Polignac number, because 20025242025 - 2⁵ = 20025241993 is a prime.

It is a super-2 number, since 2×20025242025² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20025241986 and 20025242004.

It is an unprimeable number.

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, 133501539 + ... + 133501688.

It is an arithmetic number, because the mean of its divisors is an integer number (2759033356).

Almost surely, 2^20025242025 is an apocalyptic number.

20025242025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20025242025 is a deficient number, since it is larger than the sum of its proper divisors (13083158247).

20025242025 is a wasteful number, since it uses less digits than its factorization.

20025242025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267003240 (or 267003235 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 20025242025 its reverse (52024252002), we get a palindrome (72049494027).

The spelling of 20025242025 in words is "twenty billion, twenty-five million, two hundred forty-two thousand, twenty-five".