102022020168 has 128 divisors (see below), whose sum is σ = 275007726720. Its totient is φ = 31425658880.

The previous prime is 102022020167. The next prime is 102022020187. The reversal of 102022020168 is 861020220201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (102022020167) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4922788 + ... + 4943468.

It is an arithmetic number, because the mean of its divisors is an integer number (2148497865).

Almost surely, 2^102022020168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102022020168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137503863360).

102022020168 is an abundant number, since it is smaller than the sum of its proper divisors (172985706552).

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

102022020168 is a wasteful number, since it uses less digits than its factorization.

102022020168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20927 (or 20923 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 102022020168 its reverse (861020220201), we get a palindrome (963042240369).

The spelling of 102022020168 in words is "one hundred two billion, twenty-two million, twenty thousand, one hundred sixty-eight".