820970224635 has 128 divisors (see below), whose sum is σ = 1533428444160. Its totient is φ = 370660147200.

The previous prime is 820970224619. The next prime is 820970224637. The reversal of 820970224635 is 536422079028.

It is not a de Polignac number, because 820970224635 - 2⁴ = 820970224619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (820970224637) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 104698315 + ... + 104706155.

It is an arithmetic number, because the mean of its divisors is an integer number (11979909720).

Almost surely, 2^820970224635 is an apocalyptic number.

820970224635 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

820970224635 is a deficient number, since it is larger than the sum of its proper divisors (712458219525).

820970224635 is a wasteful number, since it uses less digits than its factorization.

820970224635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 820970224635 in words is "eight hundred twenty billion, nine hundred seventy million, two hundred twenty-four thousand, six hundred thirty-five".