30302311020 has 48 divisors (see below), whose sum is σ = 85053988320. Its totient is φ = 8060852736.

The previous prime is 30302310967. The next prime is 30302311027. The reversal of 30302311020 is 2011320303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30302311027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592867 + ... + 641946.

It is an arithmetic number, because the mean of its divisors is an integer number (1771958090).

Almost surely, 2^30302311020 is an apocalyptic number.

30302311020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30302311020 is an abundant number, since it is smaller than the sum of its proper divisors (54751677300).

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

30302311020 is a wasteful number, since it uses less digits than its factorization.

30302311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235234 (or 1235232 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30302311020 its reverse (2011320303), we get a palindrome (32313631323).

The spelling of 30302311020 in words is "thirty billion, three hundred two million, three hundred eleven thousand, twenty".