30020042001 has 4 divisors (see below), whose sum is σ = 40026722672. Its totient is φ = 20013361332.

The previous prime is 30020041979. The next prime is 30020042029. The reversal of 30020042001 is 10024002003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10024002003 = 3 ⋅3341334001.

It is not a de Polignac number, because 30020042001 - 2¹³ = 30020033809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30020042051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5003340331 + ... + 5003340336.

It is an arithmetic number, because the mean of its divisors is an integer number (10006680668).

Almost surely, 2^30020042001 is an apocalyptic number.

It is an amenable number.

30020042001 is a deficient number, since it is larger than the sum of its proper divisors (10006680671).

30020042001 is a wasteful number, since it uses less digits than its factorization.

30020042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006680670.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 30020042001 its reverse (10024002003), we get a palindrome (40044044004).

The spelling of 30020042001 in words is "thirty billion, twenty million, forty-two thousand, one".