820126062 has 24 divisors (see below), whose sum is σ = 2030788656. Its totient is φ = 234321696.

The previous prime is 820126039. The next prime is 820126091. The reversal of 820126062 is 260621028.

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 11 ways as a sum of consecutive naturals, for example, 3254343 + ... + 3254594.

It is an arithmetic number, because the mean of its divisors is an integer number (84616194).

Almost surely, 2^820126062 is an apocalyptic number.

820126062 is an abundant number, since it is smaller than the sum of its proper divisors (1210662594).

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

820126062 is a wasteful number, since it uses less digits than its factorization.

820126062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508952 (or 6508949 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 820126062 is about 28637.8431799603. The cubic root of 820126062 is about 936.0381244059.

The spelling of 820126062 in words is "eight hundred twenty million, one hundred twenty-six thousand, sixty-two".