30433421420 has 24 divisors (see below), whose sum is σ = 67669608384. Its totient is φ = 11457287936.

The previous prime is 30433421413. The next prime is 30433421449. The reversal of 30433421420 is 2412433403.

It is a super-3 number, since 3×30433421420³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30433421420.

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, 44754692 + ... + 44755371.

It is an arithmetic number, because the mean of its divisors is an integer number (2819567016).

Almost surely, 2^30433421420 is an apocalyptic number.

It is an amenable number.

30433421420 is an abundant number, since it is smaller than the sum of its proper divisors (37236186964).

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

30433421420 is a wasteful number, since it uses less digits than its factorization.

30433421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89510089 (or 89510087 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30433421420 its reverse (2412433403), we get a palindrome (32845854823).

The spelling of 30433421420 in words is "thirty billion, four hundred thirty-three million, four hundred twenty-one thousand, four hundred twenty".