4020025125 has 32 divisors (see below), whose sum is σ = 6789204864. Its totient is φ = 2112000000.

The previous prime is 4020025117. The next prime is 4020025127. The reversal of 4020025125 is 5215200204.

It is a happy number.

It is not a de Polignac number, because 4020025125 - 2³ = 4020025117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020025127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54876 + ... + 105125.

It is an arithmetic number, because the mean of its divisors is an integer number (212162652).

Almost surely, 2^4020025125 is an apocalyptic number.

It is an amenable number.

4020025125 is a deficient number, since it is larger than the sum of its proper divisors (2769179739).

4020025125 is a wasteful number, since it uses less digits than its factorization.

4020025125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160086 (or 160076 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4020025125 is about 63403.6680721234. The cubic root of 4020025125 is about 1590.0456357298.

Adding to 4020025125 its reverse (5215200204), we get a palindrome (9235225329).

The spelling of 4020025125 in words is "four billion, twenty million, twenty-five thousand, one hundred twenty-five".