30203110020 has 96 divisors (see below), whose sum is σ = 86738279040. Its totient is φ = 7848023040.

The previous prime is 30203110013. The next prime is 30203110103. The reversal of 30203110020 is 2001130203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30203109978 and 30203110005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2105994 + ... + 2120286.

It is an arithmetic number, because the mean of its divisors is an integer number (903523740).

Almost surely, 2^30203110020 is an apocalyptic number.

30203110020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30203110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43369139520).

30203110020 is an abundant number, since it is smaller than the sum of its proper divisors (56535169020).

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

30203110020 is a wasteful number, since it uses less digits than its factorization.

30203110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205 (or 15203 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30203110020 its reverse (2001130203), we get a palindrome (32204240223).

The spelling of 30203110020 in words is "thirty billion, two hundred three million, one hundred ten thousand, twenty".