30403426020 has 192 divisors, whose sum is σ = 95338397952. Its totient is φ = 7176960000.

The previous prime is 30403426019. The next prime is 30403426021. The reversal of 30403426020 is 2062430403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30403426019) and next prime (30403426021).

It is a super-2 number, since 2×30403426020² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30403426021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4062522 + ... + 4069998.

It is an arithmetic number, because the mean of its divisors is an integer number (496554156).

Almost surely, 2^30403426020 is an apocalyptic number.

30403426020 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 30403426020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47669198976).

30403426020 is an abundant number, since it is smaller than the sum of its proper divisors (64934971932).

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

30403426020 is a wasteful number, since it uses less digits than its factorization.

30403426020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30403426020 its reverse (2062430403), we get a palindrome (32465856423).

The spelling of 30403426020 in words is "thirty billion, four hundred three million, four hundred twenty-six thousand, twenty".