20003221032007 has 8 divisors (see below), whose sum is σ = 20723553007200. Its totient is φ = 19284926772384.

The previous prime is 20003221031977. The next prime is 20003221032017. The reversal of 20003221032007 is 70023012230002.

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 20003221032007 - 2¹⁵ = 20003220999239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003221032017) 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, 509408907 + ... + 509448172.

It is an arithmetic number, because the mean of its divisors is an integer number (2590444125900).

Almost surely, 2^{20003221032007} is an apocalyptic number.

20003221032007 is a deficient number, since it is larger than the sum of its proper divisors (720331975193).

20003221032007 is a wasteful number, since it uses less digits than its factorization.

20003221032007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018857785.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 20003221032007 its reverse (70023012230002), we get a palindrome (90026233262009).

The spelling of 20003221032007 in words is "twenty trillion, three billion, two hundred twenty-one million, thirty-two thousand, seven".