20040030845 has 8 divisors (see below), whose sum is σ = 24559697664. Its totient is φ = 15690917584.

The previous prime is 20040030839. The next prime is 20040030851. The reversal of 20040030845 is 54803004002.

It is an interprime number because it is at equal distance from previous prime (20040030839) and next prime (20040030851).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20040030845 - 2¹⁴ = 20040014461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42638129 + ... + 42638598.

It is an arithmetic number, because the mean of its divisors is an integer number (3069962208).

Almost surely, 2^20040030845 is an apocalyptic number.

It is an amenable number.

20040030845 is a deficient number, since it is larger than the sum of its proper divisors (4519666819).

20040030845 is an equidigital number, since it uses as much as digits as its factorization.

20040030845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85276779.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20040030845 its reverse (54803004002), we get a palindrome (74843034847).

The spelling of 20040030845 in words is "twenty billion, forty million, thirty thousand, eight hundred forty-five".