245456020 has 12 divisors (see below), whose sum is σ = 515457684. Its totient is φ = 98182400.

The previous prime is 245456011. The next prime is 245456063. The reversal of 245456020 is 20654542.

245456020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 187635204 + 57820816 = 13698^2 + 7604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245456020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136381 + ... + 6136420.

It is an arithmetic number, because the mean of its divisors is an integer number (42954807).

Almost surely, 2^245456020 is an apocalyptic number.

245456020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245456020 is an abundant number, since it is smaller than the sum of its proper divisors (270001664).

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

245456020 is a wasteful number, since it uses less digits than its factorization.

245456020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272810 (or 12272808 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 245456020 is about 15667.0360949351. The cubic root of 245456020 is about 626.1204605088.

It can be divided in two parts, 245 and 456020, that multiplied together give a square (111724900 = 10570²).

The spelling of 245456020 in words is "two hundred forty-five million, four hundred fifty-six thousand, twenty".