30282020 has 12 divisors (see below), whose sum is σ = 63592284. Its totient is φ = 12112800.

The previous prime is 30282013. The next prime is 30282023. The reversal of 30282020 is 2028203.

It can be written as a sum of positive squares in 2 ways, for example, as 22033636 + 8248384 = 4694^2 + 2872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30282020.

It is not an unprimeable number, because it can be changed into a prime (30282023) 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, 757031 + ... + 757070.

It is an arithmetic number, because the mean of its divisors is an integer number (5299357).

Almost surely, 2^30282020 is an apocalyptic number.

It is an amenable number.

30282020 is an abundant number, since it is smaller than the sum of its proper divisors (33310264).

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

30282020 is a wasteful number, since it uses less digits than its factorization.

30282020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514110 (or 1514108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 30282020 is about 5502.9101391900. The cubic root of 30282020 is about 311.6938839542.

The spelling of 30282020 in words is "thirty million, two hundred eighty-two thousand, twenty".