245525656020 has 48 divisors (see below), whose sum is σ = 687494548608. Its totient is φ = 65471345280.

The previous prime is 245525655971. The next prime is 245525656027. The reversal of 245525656020 is 20656525542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245525656027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2700705 + ... + 2790135.

It is an arithmetic number, because the mean of its divisors is an integer number (14322803096).

Almost surely, 2^245525656020 is an apocalyptic number.

245525656020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245525656020 is an abundant number, since it is smaller than the sum of its proper divisors (441968892588).

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

245525656020 is a wasteful number, since it uses less digits than its factorization.

245525656020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135200 (or 135198 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 245525656020 in words is "two hundred forty-five billion, five hundred twenty-five million, six hundred fifty-six thousand, twenty".