20021002241 has 8 divisors (see below), whose sum is σ = 20144710080. Its totient is φ = 19897517808.

The previous prime is 20021002231. The next prime is 20021002291. The reversal of 20021002241 is 14220012002.

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 20021002241 - 2³⁰ = 18947260417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021002231) 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, 125750 + ... + 236336.

It is an arithmetic number, because the mean of its divisors is an integer number (2518088760).

Almost surely, 2^20021002241 is an apocalyptic number.

It is an amenable number.

20021002241 is a deficient number, since it is larger than the sum of its proper divisors (123707839).

20021002241 is a wasteful number, since it uses less digits than its factorization.

20021002241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111703.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021002241 its reverse (14220012002), we get a palindrome (34241014243).

The spelling of 20021002241 in words is "twenty billion, twenty-one million, two thousand, two hundred forty-one".