820259658948 has 24 divisors (see below), whose sum is σ = 1931498282560. Its totient is φ = 270911446560.

The previous prime is 820259658931. The next prime is 820259658949. The reversal of 820259658948 is 849856952028.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (820259658949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313553608 + ... + 313556223.

Almost surely, 2^820259658948 is an apocalyptic number.

It is an amenable number.

820259658948 is an abundant number, since it is smaller than the sum of its proper divisors (1111238623612).

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

820259658948 is a wasteful number, since it uses less digits than its factorization.

820259658948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627109947 (or 627109945 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 66.

The spelling of 820259658948 in words is "eight hundred twenty billion, two hundred fifty-nine million, six hundred fifty-eight thousand, nine hundred forty-eight".