30134300420 has 24 divisors (see below), whose sum is σ = 72322321344. Its totient is φ = 10331760096.

The previous prime is 30134300401. The next prime is 30134300429. The reversal of 30134300420 is 2400343103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30134300392 and 30134300401.

It is not an unprimeable number, because it can be changed into a prime (30134300429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107622362 + ... + 107622641.

It is an arithmetic number, because the mean of its divisors is an integer number (3013430056).

Almost surely, 2^30134300420 is an apocalyptic number.

It is an amenable number.

30134300420 is an abundant number, since it is smaller than the sum of its proper divisors (42188020924).

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

30134300420 is a wasteful number, since it uses less digits than its factorization.

30134300420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215245019 (or 215245017 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30134300420 its reverse (2400343103), we get a palindrome (32534643523).

The spelling of 30134300420 in words is "thirty billion, one hundred thirty-four million, three hundred thousand, four hundred twenty".