20150259225 has 48 divisors (see below), whose sum is σ = 34575168000. Its totient is φ = 10342725120.

The previous prime is 20150259133. The next prime is 20150259229. The reversal of 20150259225 is 52295205102.

It is not a de Polignac number, because 20150259225 - 2⁷ = 20150259097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20150259229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665976 + ... + 695574.

It is an arithmetic number, because the mean of its divisors is an integer number (720316000).

Almost surely, 2^20150259225 is an apocalyptic number.

20150259225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20150259225 is a deficient number, since it is larger than the sum of its proper divisors (14424908775).

20150259225 is a wasteful number, since it uses less digits than its factorization.

20150259225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29954 (or 29949 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 20150259225 in words is "twenty billion, one hundred fifty million, two hundred fifty-nine thousand, two hundred twenty-five".