820039526090 has 16 divisors (see below), whose sum is σ = 1476255546720. Its totient is φ = 327974832720.

The previous prime is 820039526023. The next prime is 820039526107. The reversal of 820039526090 is 90625930028.

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, 5038100 + ... + 5198319.

It is an arithmetic number, because the mean of its divisors is an integer number (92265971670).

Almost surely, 2^820039526090 is an apocalyptic number.

820039526090 is a deficient number, since it is larger than the sum of its proper divisors (656216020630).

820039526090 is a wasteful number, since it uses less digits than its factorization.

820039526090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244437.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 820039526090 in words is "eight hundred twenty billion, thirty-nine million, five hundred twenty-six thousand, ninety".