254512020 has 96 divisors (see below), whose sum is σ = 849881088. Its totient is φ = 55642752.

The previous prime is 254511991. The next prime is 254512031. The reversal of 254512020 is 20215452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3514 + ... + 22833.

It is an arithmetic number, because the mean of its divisors is an integer number (8852928).

Almost surely, 2^254512020 is an apocalyptic number.

254512020 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 254512020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424940544).

254512020 is an abundant number, since it is smaller than the sum of its proper divisors (595369068).

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

254512020 is a wasteful number, since it uses less digits than its factorization.

254512020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26389 (or 26387 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 254512020 is about 15953.4328594193. The cubic root of 254512020 is about 633.7278102630.

Adding to 254512020 its reverse (20215452), we get a palindrome (274727472).

The spelling of 254512020 in words is "two hundred fifty-four million, five hundred twelve thousand, twenty".