25205206000 has 80 divisors (see below), whose sum is σ = 65634424128. Its totient is φ = 9306528000.

The previous prime is 25205205967. The next prime is 25205206001. The reversal of 25205206000 is 60250252.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25205206001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458716 + ... + 510715.

Almost surely, 2^25205206000 is an apocalyptic number.

25205206000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25205206000 is an abundant number, since it is smaller than the sum of its proper divisors (40429218128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25205206000 is a wasteful number, since it uses less digits than its factorization.

25205206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969467 (or 969451 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 25205206000 its reverse (60250252), we get a palindrome (25265456252).

The spelling of 25205206000 in words is "twenty-five billion, two hundred five million, two hundred six thousand".