20003221031989 has 8 divisors (see below), whose sum is σ = 21583119508832. Its totient is φ = 18429206721840.

The previous prime is 20003221031977. The next prime is 20003221032017. The reversal of 20003221031989 is 98913012230002.

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 20003221031989 - 2¹⁵ = 20003220999221 is a prime.

It is a super-2 number, since 2×20003221031989² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003221034989) 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, 1471034607 + ... + 1471048204.

It is an arithmetic number, because the mean of its divisors is an integer number (2697889938604).

Almost surely, 2^{20003221031989} is an apocalyptic number.

It is an amenable number.

20003221031989 is a deficient number, since it is larger than the sum of its proper divisors (1579898476843).

20003221031989 is a wasteful number, since it uses less digits than its factorization.

20003221031989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942083347.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 20003221031989 in words is "twenty trillion, three billion, two hundred twenty-one million, thirty-one thousand, nine hundred eighty-nine".