30005020045 has 32 divisors (see below), whose sum is σ = 48343760640. Its totient is φ = 17265623040.

The previous prime is 30005020021. The next prime is 30005020051. The reversal of 30005020045 is 54002050003.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-30005020045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2992500 + ... + 3002509.

It is an arithmetic number, because the mean of its divisors is an integer number (1510742520).

Almost surely, 2^30005020045 is an apocalyptic number.

30005020045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30005020045 is a deficient number, since it is larger than the sum of its proper divisors (18338740595).

30005020045 is a wasteful number, since it uses less digits than its factorization.

30005020045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995045.

The product of its (nonzero) digits is 600, while the sum is 19.

Adding to 30005020045 its reverse (54002050003), we get a palindrome (84007070048).

The spelling of 30005020045 in words is "thirty billion, five million, twenty thousand, forty-five".