30322020 has 24 divisors (see below), whose sum is σ = 84901824. Its totient is φ = 8085856.

The previous prime is 30322013. The next prime is 30322031. The reversal of 30322020 is 2022303.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30321987 and 30322005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252624 + ... + 252743.

It is an arithmetic number, because the mean of its divisors is an integer number (3537576).

Almost surely, 2^30322020 is an apocalyptic number.

30322020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30322020 is an abundant number, since it is smaller than the sum of its proper divisors (54579804).

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

30322020 is a wasteful number, since it uses less digits than its factorization.

30322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505379 (or 505377 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30322020 is about 5506.5433803794. The cubic root of 30322020 is about 311.8310640340.

Adding to 30322020 its reverse (2022303), we get a palindrome (32344323).

The spelling of 30322020 in words is "thirty million, three hundred twenty-two thousand, twenty".