20023221102 has 16 divisors (see below), whose sum is σ = 40050543312. Its totient is φ = 6673723520.

The previous prime is 20023221091. The next prime is 20023221121. The reversal of 20023221102 is 20112232002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105483 + ... + 226214.

It is an arithmetic number, because the mean of its divisors is an integer number (2503158957).

Almost surely, 2^20023221102 is an apocalyptic number.

20023221102 is an abundant number, since it is smaller than the sum of its proper divisors (20027322210).

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

20023221102 is a wasteful number, since it uses less digits than its factorization.

20023221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341763.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20023221102 its reverse (20112232002), we get a palindrome (40135453104).

The spelling of 20023221102 in words is "twenty billion, twenty-three million, two hundred twenty-one thousand, one hundred two".