392285652020 has 54 divisors (see below), whose sum is σ = 843662574342. Its totient is φ = 153218034816.

The previous prime is 392285651993. The next prime is 392285652037. The reversal of 392285652020 is 20256582293.

It can be written as a sum of positive squares in 3 ways, for example, as 170261866384 + 222023785636 = 412628^2 + 471194^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 120442232 + ... + 120445488.

Almost surely, 2^392285652020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392285652020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421831287171).

392285652020 is an abundant number, since it is smaller than the sum of its proper divisors (451376922322).

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

392285652020 is an frugal number, since it uses more digits than its factorization.

392285652020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 392285652020 in words is "three hundred ninety-two billion, two hundred eighty-five million, six hundred fifty-two thousand, twenty".