30420003504 has 160 divisors (see below), whose sum is σ = 94165401600. Its totient is φ = 8353255680.

The previous prime is 30420003503. The next prime is 30420003517. The reversal of 30420003504 is 40530002403.

It is a happy number.

It is a super-2 number, since 2×30420003504² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30420003503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164817 + ... + 296655.

It is an arithmetic number, because the mean of its divisors is an integer number (588533760).

Almost surely, 2^30420003504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30420003504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47082700800).

30420003504 is an abundant number, since it is smaller than the sum of its proper divisors (63745398096).

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

30420003504 is a wasteful number, since it uses less digits than its factorization.

30420003504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131903 (or 131897 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 30420003504 its reverse (40530002403), we get a palindrome (70950005907).

The spelling of 30420003504 in words is "thirty billion, four hundred twenty million, three thousand, five hundred four".