254440020 has 144 divisors (see below), whose sum is σ = 797283648. Its totient is φ = 60410880.

The previous prime is 254440019. The next prime is 254440027. The reversal of 254440020 is 20044452.

254440020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254440027) 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, 367875 + ... + 368565.

It is an arithmetic number, because the mean of its divisors is an integer number (5536692).

Almost surely, 2^254440020 is an apocalyptic number.

254440020 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 254440020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398641824).

254440020 is an abundant number, since it is smaller than the sum of its proper divisors (542843628).

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

254440020 is a wasteful number, since it uses less digits than its factorization.

254440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 254440020 is about 15951.1761321854. The cubic root of 254440020 is about 633.6680452983.

Adding to 254440020 its reverse (20044452), we get a palindrome (274484472).

The spelling of 254440020 in words is "two hundred fifty-four million, four hundred forty thousand, twenty".