20221022020999 has 4 divisors (see below), whose sum is σ = 20225919342160. Its totient is φ = 20216124699840.

The previous prime is 20221022020993. The next prime is 20221022021041. The reversal of 20221022020999 is 99902022012202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221022020999 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 (20221022020993) 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, 2448654387 + ... + 2448662644.

It is an arithmetic number, because the mean of its divisors is an integer number (5056479835540).

Almost surely, 2^{20221022020999} is an apocalyptic number.

20221022020999 is a deficient number, since it is larger than the sum of its proper divisors (4897321161).

20221022020999 is an equidigital number, since it uses as much as digits as its factorization.

20221022020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897321160.

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

The spelling of 20221022020999 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, twenty thousand, nine hundred ninety-nine".