820262541275 has 6 divisors (see below), whose sum is σ = 1017125551212. Its totient is φ = 656210033000.

The previous prime is 820262541239. The next prime is 820262541277. The reversal of 820262541275 is 572145262028.

It is not a de Polignac number, because 820262541275 - 2⁶ = 820262541211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (820262541277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16405250801 + ... + 16405250850.

It is an arithmetic number, because the mean of its divisors is an integer number (169520925202).

Almost surely, 2^820262541275 is an apocalyptic number.

820262541275 is a deficient number, since it is larger than the sum of its proper divisors (196863009937).

820262541275 is a wasteful number, since it uses less digits than its factorization.

820262541275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32810501661 (or 32810501656 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 820262541275 in words is "eight hundred twenty billion, two hundred sixty-two million, five hundred forty-one thousand, two hundred seventy-five".