250801420 has 24 divisors (see below), whose sum is σ = 527489424. Its totient is φ = 100166976.

The previous prime is 250801409. The next prime is 250801423. The reversal of 250801420 is 24108052.

It is a junction number, because it is equal to n+sod(n) for n = 250801391 and 250801400.

It is not an unprimeable number, because it can be changed into a prime (250801423) 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, 4279 + ... + 22801.

It is an arithmetic number, because the mean of its divisors is an integer number (21978726).

Almost surely, 2^250801420 is an apocalyptic number.

250801420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250801420 is an abundant number, since it is smaller than the sum of its proper divisors (276688004).

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

250801420 is a wasteful number, since it uses less digits than its factorization.

250801420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19209 (or 19207 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 250801420 is about 15836.7111484677. The cubic root of 250801420 is about 630.6329575424.

Adding to 250801420 its reverse (24108052), we get a palindrome (274909472).

The spelling of 250801420 in words is "two hundred fifty million, eight hundred one thousand, four hundred twenty".