30002012020 has 24 divisors (see below), whose sum is σ = 63011176704. Its totient is φ = 11999480736.

The previous prime is 30002011999. The next prime is 30002012057. The reversal of 30002012020 is 2021020003.

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 = 30002011988 and 30002012006.

It is a congruent number.

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, 114517 + ... + 270403.

It is an arithmetic number, because the mean of its divisors is an integer number (2625465696).

Almost surely, 2^30002012020 is an apocalyptic number.

It is an amenable number.

30002012020 is an abundant number, since it is smaller than the sum of its proper divisors (33009164684).

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

30002012020 is a wasteful number, since it uses less digits than its factorization.

30002012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165519 (or 165517 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 30002012020 its reverse (2021020003), we get a palindrome (32023032023).

The spelling of 30002012020 in words is "thirty billion, two million, twelve thousand, twenty".