102444202020 has 192 divisors, whose sum is σ = 303774105600. Its totient is φ = 25744384512.

The previous prime is 102444202001. The next prime is 102444202057. The reversal of 102444202020 is 20202444201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26111779 + ... + 26115701.

It is an arithmetic number, because the mean of its divisors is an integer number (1582156800).

Almost surely, 2^102444202020 is an apocalyptic number.

102444202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102444202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151887052800).

102444202020 is an abundant number, since it is smaller than the sum of its proper divisors (201329903580).

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

102444202020 is a wasteful number, since it uses less digits than its factorization.

102444202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234 (or 4232 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 102444202020 its reverse (20202444201), we get a palindrome (122646646221).

The spelling of 102444202020 in words is "one hundred two billion, four hundred forty-four million, two hundred two thousand, twenty".