20221220104 has 16 divisors (see below), whose sum is σ = 38002763520. Its totient is φ = 10087149840.

The previous prime is 20221220093. The next prime is 20221220143. The reversal of 20221220104 is 40102212202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928864 + ... + 2935759.

It is an arithmetic number, because the mean of its divisors is an integer number (2375172720).

Almost surely, 2^20221220104 is an apocalyptic number.

It is an amenable number.

20221220104 is a deficient number, since it is larger than the sum of its proper divisors (17781543416).

20221220104 is a wasteful number, since it uses less digits than its factorization.

20221220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865060 (or 5865056 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20221220104 its reverse (40102212202), we get a palindrome (60323432306).

The spelling of 20221220104 in words is "twenty billion, two hundred twenty-one million, two hundred twenty thousand, one hundred four".