825207020 has 48 divisors (see below), whose sum is σ = 1892636928. Its totient is φ = 299732160.

The previous prime is 825207017. The next prime is 825207029. The reversal of 825207020 is 20702528.

It is not an unprimeable number, because it can be changed into a prime (825207029) 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, 267527 + ... + 270593.

It is an arithmetic number, because the mean of its divisors is an integer number (39429936).

Almost surely, 2^825207020 is an apocalyptic number.

It is an amenable number.

825207020 is an abundant number, since it is smaller than the sum of its proper divisors (1067429908).

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

825207020 is a wasteful number, since it uses less digits than its factorization.

825207020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 825207020 is about 28726.4167622765. The cubic root of 825207020 is about 937.9671703041.

Adding to 825207020 its reverse (20702528), we get a palindrome (845909548).

The spelling of 825207020 in words is "eight hundred twenty-five million, two hundred seven thousand, twenty".