245485020 has 96 divisors (see below), whose sum is σ = 752451840. Its totient is φ = 59304960.

The previous prime is 245484983. The next prime is 245485039. The reversal of 245485020 is 20584542.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 285351 + ... + 286209.

It is an arithmetic number, because the mean of its divisors is an integer number (7838040).

Almost surely, 2^245485020 is an apocalyptic number.

245485020 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 245485020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376225920).

245485020 is an abundant number, since it is smaller than the sum of its proper divisors (506966820).

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

245485020 is a wasteful number, since it uses less digits than its factorization.

245485020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 245485020 is about 15667.9615776910. The cubic root of 245485020 is about 626.1451177140.

The spelling of 245485020 in words is "two hundred forty-five million, four hundred eighty-five thousand, twenty".