820050808252 has 24 divisors (see below), whose sum is σ = 1545675865776. Its totient is φ = 378437111808.

The previous prime is 820050808223. The next prime is 820050808273. The reversal of 820050808252 is 252808050028.

It is a super-2 number, since 2×820050808252² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580738 + ... + 1406185.

It is an arithmetic number, because the mean of its divisors is an integer number (64403161074).

Almost surely, 2^820050808252 is an apocalyptic number.

It is an amenable number.

820050808252 is a deficient number, since it is larger than the sum of its proper divisors (725625057524).

820050808252 is a wasteful number, since it uses less digits than its factorization.

820050808252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994877 (or 1994875 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 820050808252 in words is "eight hundred twenty billion, fifty million, eight hundred eight thousand, two hundred fifty-two".