30302132020 has 48 divisors (see below), whose sum is σ = 64883624400. Its totient is φ = 11883262976.

The previous prime is 30302131997. The next prime is 30302132099. The reversal of 30302132020 is 2023120303.

It can be written as a sum of positive squares in 8 ways, for example, as 374544 + 30301757476 = 612^2 + 174074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30302131985 and 30302132003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509006 + ... + 1528954.

It is an arithmetic number, because the mean of its divisors is an integer number (1351742175).

Almost surely, 2^30302132020 is an apocalyptic number.

It is an amenable number.

30302132020 is an abundant number, since it is smaller than the sum of its proper divisors (34581492380).

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

30302132020 is a wasteful number, since it uses less digits than its factorization.

30302132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21444 (or 21442 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30302132020 its reverse (2023120303), we get a palindrome (32325252323).

The spelling of 30302132020 in words is "thirty billion, three hundred two million, one hundred thirty-two thousand, twenty".