25343819020 has 96 divisors (see below), whose sum is σ = 58732027200. Its totient is φ = 9127157760.

The previous prime is 25343819003. The next prime is 25343819021. The reversal of 25343819020 is 2091834352.

It is not an unprimeable number, because it can be changed into a prime (25343819021) 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, 11726740 + ... + 11728900.

It is an arithmetic number, because the mean of its divisors is an integer number (611791950).

Almost surely, 2^25343819020 is an apocalyptic number.

25343819020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25343819020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29366013600).

25343819020 is an abundant number, since it is smaller than the sum of its proper divisors (33388208180).

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

25343819020 is a wasteful number, since it uses less digits than its factorization.

25343819020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 25343819020 in words is "twenty-five billion, three hundred forty-three million, eight hundred nineteen thousand, twenty".