250387020 has 108 divisors (see below), whose sum is σ = 822524976. Its totient is φ = 61626240.

The previous prime is 250387019. The next prime is 250387021. The reversal of 250387020 is 20783052.

250387020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (250387019) and next prime (250387021).

It is not an unprimeable number, because it can be changed into a prime (250387021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26305 + ... + 34535.

It is an arithmetic number, because the mean of its divisors is an integer number (7615972).

Almost surely, 2^250387020 is an apocalyptic number.

250387020 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 250387020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411262488).

250387020 is an abundant number, since it is smaller than the sum of its proper divisors (572137956).

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

250387020 is a wasteful number, since it uses less digits than its factorization.

250387020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272 (or 8254 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 250387020 is about 15823.6222149039. The cubic root of 250387020 is about 630.2854337733.

The spelling of 250387020 in words is "two hundred fifty million, three hundred eighty-seven thousand, twenty".