25382020 has 24 divisors (see below), whose sum is σ = 56438424. Its totient is φ = 9555456.

The previous prime is 25382017. The next prime is 25382023. The reversal of 25382020 is 2028352.

It is an interprime number because it is at equal distance from previous prime (25382017) and next prime (25382023).

It can be written as a sum of positive squares in 4 ways, for example, as 9253764 + 16128256 = 3042^2 + 4016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25381982 and 25382000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25382023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36987 + ... + 37666.

It is an arithmetic number, because the mean of its divisors is an integer number (2351601).

Almost surely, 2^25382020 is an apocalyptic number.

25382020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25382020 is an abundant number, since it is smaller than the sum of its proper divisors (31056404).

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

25382020 is a wasteful number, since it uses less digits than its factorization.

25382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74679 (or 74677 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25382020 is about 5038.0571652176. The cubic root of 25382020 is about 293.8836289561.

The spelling of 25382020 in words is "twenty-five million, three hundred eighty-two thousand, twenty".