392020 has 24 divisors (see below), whose sum is σ = 872424. Its totient is φ = 147456.

The previous prime is 392011. The next prime is 392033. The reversal of 392020 is 20293.

It can be written as a sum of positive squares in 4 ways, for example, as 133956 + 258064 = 366^2 + 508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 391985 and 392003.

It is a congruent number.

It is an unprimeable number.

392020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 916.

It is an arithmetic number, because the mean of its divisors is an integer number (36351).

2³⁹²⁰²⁰ is an apocalyptic number.

It is an amenable number.

392020 is an abundant number, since it is smaller than the sum of its proper divisors (480404).

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

392020 is a wasteful number, since it uses less digits than its factorization.

392020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 392020 is about 626.1150054103. The cubic root of 392020 is about 73.1873588411.

It can be divided in two parts, 3920 and 20, that multiplied together give a square (78400 = 280²).

The spelling of 392020 in words is "three hundred ninety-two thousand, twenty".