30203303020 has 48 divisors (see below), whose sum is σ = 69839739648. Its totient is φ = 10880365760.

The previous prime is 30203302979. The next prime is 30203303029. The reversal of 30203303020 is 2030330203.

It is a happy number.

It is a super-2 number, since 2×30203303020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30203302985 and 30203303003.

It is not an unprimeable number, because it can be changed into a prime (30203303029) 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, 617992 + ... + 665071.

It is an arithmetic number, because the mean of its divisors is an integer number (1454994576).

Almost surely, 2^30203303020 is an apocalyptic number.

It is an amenable number.

30203303020 is an abundant number, since it is smaller than the sum of its proper divisors (39636436628).

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

30203303020 is a wasteful number, since it uses less digits than its factorization.

30203303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283190 (or 1283188 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 30203303020 its reverse (2030330203), we get a palindrome (32233633223).

The spelling of 30203303020 in words is "thirty billion, two hundred three million, three hundred three thousand, twenty".