30103010020 has 12 divisors (see below), whose sum is σ = 63216321084. Its totient is φ = 12041204000.

The previous prime is 30103010017. The next prime is 30103010027. The reversal of 30103010020 is 2001030103.

It can be written as a sum of positive squares in 2 ways, for example, as 16943708224 + 13159301796 = 130168^2 + 114714^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30103009979 and 30103010006.

It is not an unprimeable number, because it can be changed into a prime (30103010027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752575231 + ... + 752575270.

It is an arithmetic number, because the mean of its divisors is an integer number (5268026757).

Almost surely, 2^30103010020 is an apocalyptic number.

It is an amenable number.

30103010020 is an abundant number, since it is smaller than the sum of its proper divisors (33113311064).

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

30103010020 is a wasteful number, since it uses less digits than its factorization.

30103010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505150510 (or 1505150508 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 30103010020 its reverse (2001030103), we get a palindrome (32104040123).

The spelling of 30103010020 in words is "thirty billion, one hundred three million, ten thousand, twenty".