30420005000 has 320 divisors, whose sum is σ = 89732776320. Its totient is φ = 9467040000.

The previous prime is 30420004991. The next prime is 30420005029. The reversal of 30420005000 is 50002403.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 46584674 + ... + 46585326.

It is an arithmetic number, because the mean of its divisors is an integer number (280414926).

Almost surely, 2^30420005000 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 30420005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44866388160).

30420005000 is an abundant number, since it is smaller than the sum of its proper divisors (59312771320).

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

30420005000 is an equidigital number, since it uses as much as digits as its factorization.

30420005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

Adding to 30420005000 its reverse (50002403), we get a palindrome (30470007403).

The spelling of 30420005000 in words is "thirty billion, four hundred twenty million, five thousand".