20021233312201 has 8 divisors (see below), whose sum is σ = 21841417509408. Its totient is φ = 18201061128000.

The previous prime is 20021233312133. The next prime is 20021233312219. The reversal of 20021233312201 is 10221333212002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20021233312201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021233319201) 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, 677686 + ... + 6364096.

It is an arithmetic number, because the mean of its divisors is an integer number (2730177188676).

Almost surely, 2^{20021233312201} is an apocalyptic number.

It is an amenable number.

20021233312201 is a deficient number, since it is larger than the sum of its proper divisors (1820184197207).

20021233312201 is a wasteful number, since it uses less digits than its factorization.

20021233312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006503.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20021233312201 its reverse (10221333212002), we get a palindrome (30242566524203).

The spelling of 20021233312201 in words is "twenty trillion, twenty-one billion, two hundred thirty-three million, three hundred twelve thousand, two hundred one".