30203030123020 has 24 divisors (see below), whose sum is σ = 66184031227104. Its totient is φ = 11555941959936.

The previous prime is 30203030123009. The next prime is 30203030123059. The reversal of 30203030123020 is 2032103030203.

It is a happy number.

It is a super-2 number, since 2×30203030123020² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32829380109 + ... + 32829381028.

It is an arithmetic number, because the mean of its divisors is an integer number (2757667967796).

Almost surely, 2^{30203030123020} is an apocalyptic number.

It is an amenable number.

30203030123020 is an abundant number, since it is smaller than the sum of its proper divisors (35981001104084).

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

30203030123020 is a wasteful number, since it uses less digits than its factorization.

30203030123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65658761169 (or 65658761167 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30203030123020 its reverse (2032103030203), we get a palindrome (32235133153223).

The spelling of 30203030123020 in words is "thirty trillion, two hundred three billion, thirty million, one hundred twenty-three thousand, twenty".