245704020 has 96 divisors (see below), whose sum is σ = 704422656. Its totient is φ = 63974400.

The previous prime is 245703989. The next prime is 245704031. The reversal of 245704020 is 20407542.

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 31 ways as a sum of consecutive naturals, for example, 583410 + ... + 583830.

It is an arithmetic number, because the mean of its divisors is an integer number (7337736).

Almost surely, 2^245704020 is an apocalyptic number.

245704020 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 245704020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352211328).

245704020 is an abundant number, since it is smaller than the sum of its proper divisors (458718636).

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

245704020 is a wasteful number, since it uses less digits than its factorization.

245704020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 245704020 is about 15674.9488037441. The cubic root of 245704020 is about 626.3312594506.

The spelling of 245704020 in words is "two hundred forty-five million, seven hundred four thousand, twenty".