25432468020 has 96 divisors (see below), whose sum is σ = 80464406400. Its totient is φ = 6667034112.

The previous prime is 25432468007. The next prime is 25432468021. The reversal of 25432468020 is 2086423452.

25432468020 is a `hidden beast` number, since 254 + 324 + 6 + 80 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432468021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367269 + ... + 430988.

It is an arithmetic number, because the mean of its divisors is an integer number (838170900).

Almost surely, 2^25432468020 is an apocalyptic number.

25432468020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25432468020 is an abundant number, since it is smaller than the sum of its proper divisors (55031938380).

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

25432468020 is a wasteful number, since it uses less digits than its factorization.

25432468020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798334 (or 798326 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 25432468020 in words is "twenty-five billion, four hundred thirty-two million, four hundred sixty-eight thousand, twenty".