30322303020 has 84 divisors (see below), whose sum is σ = 95471626320. Its totient is φ = 8085943584.

The previous prime is 30322303003. The next prime is 30322303021. The reversal of 30322303020 is 2030322303.

It is a super-2 number, since 2×30322303020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30322302984 and 30322303002.

It is not an unprimeable number, because it can be changed into a prime (30322303021) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1025280 + ... + 1054439.

It is an arithmetic number, because the mean of its divisors is an integer number (1136566980).

Almost surely, 2^30322303020 is an apocalyptic number.

30322303020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30322303020 is an abundant number, since it is smaller than the sum of its proper divisors (65149323300).

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

30322303020 is a wasteful number, since it uses less digits than its factorization.

30322303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079746 (or 2079729 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 30322303020 its reverse (2030322303), we get a palindrome (32352625323).

The spelling of 30322303020 in words is "thirty billion, three hundred twenty-two million, three hundred three thousand, twenty".