820227792074 has 8 divisors (see below), whose sum is σ = 1230373799460. Its totient is φ = 410103192256.

The previous prime is 820227792073. The next prime is 820227792113. The reversal of 820227792074 is 470297722028.

It can be written as a sum of positive squares in 2 ways, for example, as 796365266449 + 23862525625 = 892393^2 + 154475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (820227792073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255759 + ... + 5409570.

Almost surely, 2^820227792074 is an apocalyptic number.

820227792074 is a deficient number, since it is larger than the sum of its proper divisors (410146007386).

820227792074 is a wasteful number, since it uses less digits than its factorization.

820227792074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703784.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 820227792074 in words is "eight hundred twenty billion, two hundred twenty-seven million, seven hundred ninety-two thousand, seventy-four".