20221220094 has 16 divisors (see below), whose sum is σ = 41535479568. Its totient is φ = 6558233472.

The previous prime is 20221220093. The next prime is 20221220143. The reversal of 20221220094 is 49002212202.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221220093) 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, 45543067 + ... + 45543510.

It is an arithmetic number, because the mean of its divisors is an integer number (2595967473).

Almost surely, 2^20221220094 is an apocalyptic number.

20221220094 is an abundant number, since it is smaller than the sum of its proper divisors (21314259474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221220094 is a wasteful number, since it uses less digits than its factorization.

20221220094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91086619.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20221220094 its reverse (49002212202), we get a palindrome (69223432296).

The spelling of 20221220094 in words is "twenty billion, two hundred twenty-one million, two hundred twenty thousand, ninety-four".