20304012282007 has 4 divisors (see below), whose sum is σ = 20311064737920. Its totient is φ = 20296959826096.

The previous prime is 20304012281981. The next prime is 20304012282013. The reversal of 20304012282007 is 70028221040302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20304012282007 - 2⁷ = 20304012281879 is a prime.

It is a super-2 number, since 2×20304012282007² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20304012282007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304012282707) 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, 3526223638 + ... + 3526229395.

It is an arithmetic number, because the mean of its divisors is an integer number (5077766184480).

Almost surely, 2^{20304012282007} is an apocalyptic number.

20304012282007 is a deficient number, since it is larger than the sum of its proper divisors (7052455913).

20304012282007 is an equidigital number, since it uses as much as digits as its factorization.

20304012282007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052455912.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 20304012282007 in words is "twenty trillion, three hundred four billion, twelve million, two hundred eighty-two thousand, seven".