20221220011194 has 48 divisors (see below), whose sum is σ = 45070173954312. Its totient is φ = 6547534798464.

The previous prime is 20221220011177. The next prime is 20221220011211. The reversal of 20221220011194 is 49111002212202.

20221220011194 is a `hidden beast` number, since 20 + 221 + 220 + 0 + 11 + 194 = 666.

It is an interprime number because it is at equal distance from previous prime (20221220011177) and next prime (20221220011211).

It can be written as a sum of positive squares in 4 ways, for example, as 14652917935569 + 5568302075625 = 3827913^2 + 2359725^2 .

It is a super-2 number, since 2×20221220011194² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24356989 + ... + 25173504.

Almost surely, 2^{20221220011194} is an apocalyptic number.

20221220011194 is an abundant number, since it is smaller than the sum of its proper divisors (24848953943118).

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

20221220011194 is a wasteful number, since it uses less digits than its factorization.

20221220011194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49531151 (or 49531148 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 20221220011194 its reverse (49111002212202), we get a palindrome (69332222223396).

The spelling of 20221220011194 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty million, eleven thousand, one hundred ninety-four".